28871100

素因数分解:

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

素因数の和:94

約数の個数: 216

約数和(自身を含む): 101260880

約数和(自身を除く): 72389780

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, 4995, 5100, 5202, 5550, 5661, 5780, 6290, 6660, 7225, 7548, 7650, 7803, 8325, 8670, 9180, 9435, 9990, 10404, 10693, 11100, 11322, 11475, 12580, 13005, 14450, 15300, 15606, 15725, 16650, 16983, 17340, 18870, 19980, 21386, 21675, 22644, 22950, 24975, 26010, 28305, 28900, 31212, 31450, 32079, 33300, 33966, 37740, 39015, 42772, 43350, 45900, 47175, 49950, 52020, 53465, 56610, 62900, 64158, 65025, 67932, 78030, 84915, 86700, 94350, 96237, 99900, 106930, 113220, 128316, 130050, 141525, 156060, 160395, 169830, 188700, 192474, 195075, 213860, 260100, 267325, 283050, 288711, 320790, 339660, 384948, 390150, 424575, 481185, 534650, 566100, 577422, 641580, 780300, 801975, 849150, 962370, 1069300, 1154844, 1443555, 1603950, 1698300, 1924740, 2405925, 2887110, 3207900, 4811850, 5774220, 7217775, 9623700, 14435550, 28871100]

約数ペア:

[(1, 28871100), (2, 14435550), (3, 9623700), (4, 7217775), (5, 5774220), (6, 4811850), (9, 3207900), (10, 2887110), (12, 2405925), (15, 1924740), (17, 1698300), (18, 1603950), (20, 1443555), (25, 1154844), (27, 1069300), (30, 962370), (34, 849150), (36, 801975), (37, 780300), (45, 641580), (50, 577422), (51, 566100), (54, 534650), (60, 481185), (68, 424575), (74, 390150), (75, 384948), (85, 339660), (90, 320790), (100, 288711), (102, 283050), (108, 267325), (111, 260100), (135, 213860), (148, 195075), (150, 192474), (153, 188700), (170, 169830), (180, 160395), (185, 156060), (204, 141525), (222, 130050), (225, 128316), (255, 113220), (270, 106930), (289, 99900), (300, 96237), (306, 94350), (333, 86700), (340, 84915), (370, 78030), (425, 67932), (444, 65025), (450, 64158), (459, 62900), (510, 56610), (540, 53465), (555, 52020), (578, 49950), (612, 47175), (629, 45900), (666, 43350), (675, 42772), (740, 39015), (765, 37740), (850, 33966), (867, 33300), (900, 32079), (918, 31450), (925, 31212), (999, 28900), (1020, 28305), (1110, 26010), (1156, 24975), (1258, 22950), (1275, 22644), (1332, 21675), (1350, 21386), (1445, 19980), (1530, 18870), (1665, 17340), (1700, 16983), (1734, 16650), (1836, 15725), (1850, 15606), (1887, 15300), (1998, 14450), (2220, 13005), (2295, 12580), (2516, 11475), (2550, 11322), (2601, 11100), (2700, 10693), (2775, 10404), (2890, 9990), (3060, 9435), (3145, 9180), (3330, 8670), (3468, 8325), (3700, 7803), (3774, 7650), (3825, 7548), (3996, 7225), (4335, 6660), (4590, 6290), (4995, 5780), (5100, 5661), (5202, 5550)]