28876500

素因数分解:

$2^2\times 3^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 240

約数和(自身を含む): 101477376

約数和(自身を除く): 72600876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 31, 36, 45, 46, 50, 54, 60, 62, 69, 75, 81, 90, 92, 93, 100, 108, 115, 124, 125, 135, 138, 150, 155, 162, 180, 186, 207, 225, 230, 250, 270, 276, 279, 300, 310, 324, 345, 372, 375, 405, 414, 450, 460, 465, 500, 540, 558, 575, 620, 621, 675, 690, 713, 750, 775, 810, 828, 837, 900, 930, 1035, 1116, 1125, 1150, 1242, 1350, 1380, 1395, 1426, 1500, 1550, 1620, 1674, 1725, 1860, 1863, 2025, 2070, 2139, 2250, 2300, 2325, 2484, 2511, 2700, 2790, 2852, 2875, 3100, 3105, 3348, 3375, 3450, 3565, 3726, 3875, 4050, 4140, 4185, 4278, 4500, 4650, 5022, 5175, 5580, 5750, 6210, 6417, 6750, 6900, 6975, 7130, 7452, 7750, 8100, 8370, 8556, 8625, 9300, 9315, 10044, 10125, 10350, 10695, 11500, 11625, 12420, 12555, 12834, 13500, 13950, 14260, 15500, 15525, 16740, 17250, 17825, 18630, 19251, 20250, 20700, 20925, 21390, 23250, 25110, 25668, 25875, 27900, 31050, 32085, 34500, 34875, 35650, 37260, 38502, 40500, 41850, 42780, 46500, 46575, 50220, 51750, 53475, 57753, 62100, 62775, 64170, 69750, 71300, 77004, 77625, 83700, 89125, 93150, 96255, 103500, 104625, 106950, 115506, 125550, 128340, 139500, 155250, 160425, 178250, 186300, 192510, 209250, 213900, 231012, 232875, 251100, 267375, 288765, 310500, 313875, 320850, 356500, 385020, 418500, 465750, 481275, 534750, 577530, 627750, 641700, 802125, 931500, 962550, 1069500, 1155060, 1255500, 1443825, 1604250, 1925100, 2406375, 2887650, 3208500, 4812750, 5775300, 7219125, 9625500, 14438250, 28876500]

約数ペア:

[(1, 28876500), (2, 14438250), (3, 9625500), (4, 7219125), (5, 5775300), (6, 4812750), (9, 3208500), (10, 2887650), (12, 2406375), (15, 1925100), (18, 1604250), (20, 1443825), (23, 1255500), (25, 1155060), (27, 1069500), (30, 962550), (31, 931500), (36, 802125), (45, 641700), (46, 627750), (50, 577530), (54, 534750), (60, 481275), (62, 465750), (69, 418500), (75, 385020), (81, 356500), (90, 320850), (92, 313875), (93, 310500), (100, 288765), (108, 267375), (115, 251100), (124, 232875), (125, 231012), (135, 213900), (138, 209250), (150, 192510), (155, 186300), (162, 178250), (180, 160425), (186, 155250), (207, 139500), (225, 128340), (230, 125550), (250, 115506), (270, 106950), (276, 104625), (279, 103500), (300, 96255), (310, 93150), (324, 89125), (345, 83700), (372, 77625), (375, 77004), (405, 71300), (414, 69750), (450, 64170), (460, 62775), (465, 62100), (500, 57753), (540, 53475), (558, 51750), (575, 50220), (620, 46575), (621, 46500), (675, 42780), (690, 41850), (713, 40500), (750, 38502), (775, 37260), (810, 35650), (828, 34875), (837, 34500), (900, 32085), (930, 31050), (1035, 27900), (1116, 25875), (1125, 25668), (1150, 25110), (1242, 23250), (1350, 21390), (1380, 20925), (1395, 20700), (1426, 20250), (1500, 19251), (1550, 18630), (1620, 17825), (1674, 17250), (1725, 16740), (1860, 15525), (1863, 15500), (2025, 14260), (2070, 13950), (2139, 13500), (2250, 12834), (2300, 12555), (2325, 12420), (2484, 11625), (2511, 11500), (2700, 10695), (2790, 10350), (2852, 10125), (2875, 10044), (3100, 9315), (3105, 9300), (3348, 8625), (3375, 8556), (3450, 8370), (3565, 8100), (3726, 7750), (3875, 7452), (4050, 7130), (4140, 6975), (4185, 6900), (4278, 6750), (4500, 6417), (4650, 6210), (5022, 5750), (5175, 5580)]