490808700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 288

約数和(自身を含む): 1721764800

約数和(自身を除く): 1230956100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 37, 45, 50, 51, 54, 60, 68, 74, 75, 85, 90, 100, 102, 108, 111, 135, 148, 150, 153, 170, 180, 185, 204, 222, 225, 255, 270, 289, 300, 306, 333, 340, 370, 425, 444, 450, 459, 510, 540, 555, 578, 612, 629, 666, 675, 740, 765, 850, 867, 900, 918, 925, 999, 1020, 1110, 1156, 1258, 1275, 1332, 1350, 1445, 1530, 1665, 1700, 1734, 1836, 1850, 1887, 1998, 2220, 2295, 2516, 2550, 2601, 2700, 2775, 2890, 3060, 3145, 3330, 3468, 3700, 3774, 3825, 3996, 4335, 4590, 4913, 4995, 5100, 5202, 5550, 5661, 5780, 6290, 6660, 7225, 7548, 7650, 7803, 8325, 8670, 9180, 9435, 9826, 9990, 10404, 10693, 11100, 11322, 11475, 12580, 13005, 14450, 14739, 15300, 15606, 15725, 16650, 16983, 17340, 18870, 19652, 19980, 21386, 21675, 22644, 22950, 24565, 24975, 26010, 28305, 28900, 29478, 31212, 31450, 32079, 33300, 33966, 37740, 39015, 42772, 43350, 44217, 45900, 47175, 49130, 49950, 52020, 53465, 56610, 58956, 62900, 64158, 65025, 67932, 73695, 78030, 84915, 86700, 88434, 94350, 96237, 98260, 99900, 106930, 113220, 122825, 128316, 130050, 132651, 141525, 147390, 156060, 160395, 169830, 176868, 181781, 188700, 192474, 195075, 213860, 221085, 245650, 260100, 265302, 267325, 283050, 288711, 294780, 320790, 339660, 363562, 368475, 384948, 390150, 424575, 442170, 481185, 491300, 530604, 534650, 545343, 566100, 577422, 641580, 663255, 727124, 736950, 780300, 801975, 849150, 884340, 908905, 962370, 1069300, 1090686, 1105425, 1154844, 1326510, 1443555, 1473900, 1603950, 1636029, 1698300, 1817810, 1924740, 2181372, 2210850, 2405925, 2653020, 2726715, 2887110, 3207900, 3272058, 3316275, 3635620, 4421700, 4544525, 4811850, 4908087, 5453430, 5774220, 6544116, 6632550, 7217775, 8180145, 9089050, 9623700, 9816174, 10906860, 13265100, 13633575, 14435550, 16360290, 18178100, 19632348, 24540435, 27267150, 28871100, 32720580, 40900725, 49080870, 54534300, 81801450, 98161740, 122702175, 163602900, 245404350, 490808700]

約数ペア:

[(1, 490808700), (2, 245404350), (3, 163602900), (4, 122702175), (5, 98161740), (6, 81801450), (9, 54534300), (10, 49080870), (12, 40900725), (15, 32720580), (17, 28871100), (18, 27267150), (20, 24540435), (25, 19632348), (27, 18178100), (30, 16360290), (34, 14435550), (36, 13633575), (37, 13265100), (45, 10906860), (50, 9816174), (51, 9623700), (54, 9089050), (60, 8180145), (68, 7217775), (74, 6632550), (75, 6544116), (85, 5774220), (90, 5453430), (100, 4908087), (102, 4811850), (108, 4544525), (111, 4421700), (135, 3635620), (148, 3316275), (150, 3272058), (153, 3207900), (170, 2887110), (180, 2726715), (185, 2653020), (204, 2405925), (222, 2210850), (225, 2181372), (255, 1924740), (270, 1817810), (289, 1698300), (300, 1636029), (306, 1603950), (333, 1473900), (340, 1443555), (370, 1326510), (425, 1154844), (444, 1105425), (450, 1090686), (459, 1069300), (510, 962370), (540, 908905), (555, 884340), (578, 849150), (612, 801975), (629, 780300), (666, 736950), (675, 727124), (740, 663255), (765, 641580), (850, 577422), (867, 566100), (900, 545343), (918, 534650), (925, 530604), (999, 491300), (1020, 481185), (1110, 442170), (1156, 424575), (1258, 390150), (1275, 384948), (1332, 368475), (1350, 363562), (1445, 339660), (1530, 320790), (1665, 294780), (1700, 288711), (1734, 283050), (1836, 267325), (1850, 265302), (1887, 260100), (1998, 245650), (2220, 221085), (2295, 213860), (2516, 195075), (2550, 192474), (2601, 188700), (2700, 181781), (2775, 176868), (2890, 169830), (3060, 160395), (3145, 156060), (3330, 147390), (3468, 141525), (3700, 132651), (3774, 130050), (3825, 128316), (3996, 122825), (4335, 113220), (4590, 106930), (4913, 99900), (4995, 98260), (5100, 96237), (5202, 94350), (5550, 88434), (5661, 86700), (5780, 84915), (6290, 78030), (6660, 73695), (7225, 67932), (7548, 65025), (7650, 64158), (7803, 62900), (8325, 58956), (8670, 56610), (9180, 53465), (9435, 52020), (9826, 49950), (9990, 49130), (10404, 47175), (10693, 45900), (11100, 44217), (11322, 43350), (11475, 42772), (12580, 39015), (13005, 37740), (14450, 33966), (14739, 33300), (15300, 32079), (15606, 31450), (15725, 31212), (16650, 29478), (16983, 28900), (17340, 28305), (18870, 26010), (19652, 24975), (19980, 24565), (21386, 22950), (21675, 22644)]