490339980

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 252

約数和(自身を含む): 1680159600

約数和(自身を除く): 1189819620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 169, 180, 195, 199, 234, 243, 260, 270, 324, 338, 351, 390, 398, 405, 468, 486, 507, 540, 585, 597, 676, 702, 729, 780, 796, 810, 845, 972, 995, 1014, 1053, 1170, 1194, 1215, 1404, 1458, 1521, 1620, 1690, 1755, 1791, 1990, 2028, 2106, 2340, 2388, 2430, 2535, 2587, 2916, 2985, 3042, 3159, 3380, 3510, 3582, 3645, 3980, 4212, 4563, 4860, 5070, 5174, 5265, 5373, 5970, 6084, 6318, 7020, 7164, 7290, 7605, 7761, 8955, 9126, 9477, 10140, 10348, 10530, 10746, 11940, 12636, 12935, 13689, 14580, 15210, 15522, 15795, 16119, 17910, 18252, 18954, 21060, 21492, 22815, 23283, 25870, 26865, 27378, 30420, 31044, 31590, 32238, 33631, 35820, 37908, 38805, 41067, 45630, 46566, 47385, 48357, 51740, 53730, 54756, 63180, 64476, 67262, 68445, 69849, 77610, 80595, 82134, 91260, 93132, 94770, 96714, 100893, 107460, 116415, 123201, 134524, 136890, 139698, 145071, 155220, 161190, 164268, 168155, 189540, 193428, 201786, 205335, 209547, 232830, 241785, 246402, 273780, 279396, 290142, 302679, 322380, 336310, 349245, 403572, 410670, 419094, 465660, 483570, 492804, 504465, 580284, 605358, 616005, 628641, 672620, 698490, 725355, 821340, 838188, 908037, 967140, 1008930, 1047735, 1210716, 1232010, 1257282, 1396980, 1450710, 1513395, 1816074, 1885923, 2017860, 2095470, 2464020, 2514564, 2724111, 2901420, 3026790, 3143205, 3632148, 3771846, 4190940, 4540185, 5448222, 6053580, 6286410, 7543692, 8172333, 9080370, 9429615, 10896444, 12572820, 13620555, 16344666, 18160740, 18859230, 24516999, 27241110, 32689332, 37718460, 40861665, 49033998, 54482220, 81723330, 98067996, 122584995, 163446660, 245169990, 490339980]

約数ペア:

[(1, 490339980), (2, 245169990), (3, 163446660), (4, 122584995), (5, 98067996), (6, 81723330), (9, 54482220), (10, 49033998), (12, 40861665), (13, 37718460), (15, 32689332), (18, 27241110), (20, 24516999), (26, 18859230), (27, 18160740), (30, 16344666), (36, 13620555), (39, 12572820), (45, 10896444), (52, 9429615), (54, 9080370), (60, 8172333), (65, 7543692), (78, 6286410), (81, 6053580), (90, 5448222), (108, 4540185), (117, 4190940), (130, 3771846), (135, 3632148), (156, 3143205), (162, 3026790), (169, 2901420), (180, 2724111), (195, 2514564), (199, 2464020), (234, 2095470), (243, 2017860), (260, 1885923), (270, 1816074), (324, 1513395), (338, 1450710), (351, 1396980), (390, 1257282), (398, 1232010), (405, 1210716), (468, 1047735), (486, 1008930), (507, 967140), (540, 908037), (585, 838188), (597, 821340), (676, 725355), (702, 698490), (729, 672620), (780, 628641), (796, 616005), (810, 605358), (845, 580284), (972, 504465), (995, 492804), (1014, 483570), (1053, 465660), (1170, 419094), (1194, 410670), (1215, 403572), (1404, 349245), (1458, 336310), (1521, 322380), (1620, 302679), (1690, 290142), (1755, 279396), (1791, 273780), (1990, 246402), (2028, 241785), (2106, 232830), (2340, 209547), (2388, 205335), (2430, 201786), (2535, 193428), (2587, 189540), (2916, 168155), (2985, 164268), (3042, 161190), (3159, 155220), (3380, 145071), (3510, 139698), (3582, 136890), (3645, 134524), (3980, 123201), (4212, 116415), (4563, 107460), (4860, 100893), (5070, 96714), (5174, 94770), (5265, 93132), (5373, 91260), (5970, 82134), (6084, 80595), (6318, 77610), (7020, 69849), (7164, 68445), (7290, 67262), (7605, 64476), (7761, 63180), (8955, 54756), (9126, 53730), (9477, 51740), (10140, 48357), (10348, 47385), (10530, 46566), (10746, 45630), (11940, 41067), (12636, 38805), (12935, 37908), (13689, 35820), (14580, 33631), (15210, 32238), (15522, 31590), (15795, 31044), (16119, 30420), (17910, 27378), (18252, 26865), (18954, 25870), (21060, 23283), (21492, 22815)]