28517500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 120

約数和(自身を含む): 73214064

約数和(自身を除く): 44696564

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 61, 68, 85, 100, 110, 122, 125, 170, 187, 220, 244, 250, 275, 305, 340, 374, 425, 500, 550, 610, 625, 671, 748, 850, 935, 1037, 1100, 1220, 1250, 1342, 1375, 1525, 1700, 1870, 2074, 2125, 2500, 2684, 2750, 3050, 3355, 3740, 4148, 4250, 4675, 5185, 5500, 6100, 6710, 6875, 7625, 8500, 9350, 10370, 10625, 11407, 13420, 13750, 15250, 16775, 18700, 20740, 21250, 22814, 23375, 25925, 27500, 30500, 33550, 38125, 42500, 45628, 46750, 51850, 57035, 67100, 76250, 83875, 93500, 103700, 114070, 116875, 129625, 152500, 167750, 228140, 233750, 259250, 285175, 335500, 419375, 467500, 518500, 570350, 648125, 838750, 1140700, 1296250, 1425875, 1677500, 2592500, 2851750, 5703500, 7129375, 14258750, 28517500]

約数ペア:

[(1, 28517500), (2, 14258750), (4, 7129375), (5, 5703500), (10, 2851750), (11, 2592500), (17, 1677500), (20, 1425875), (22, 1296250), (25, 1140700), (34, 838750), (44, 648125), (50, 570350), (55, 518500), (61, 467500), (68, 419375), (85, 335500), (100, 285175), (110, 259250), (122, 233750), (125, 228140), (170, 167750), (187, 152500), (220, 129625), (244, 116875), (250, 114070), (275, 103700), (305, 93500), (340, 83875), (374, 76250), (425, 67100), (500, 57035), (550, 51850), (610, 46750), (625, 45628), (671, 42500), (748, 38125), (850, 33550), (935, 30500), (1037, 27500), (1100, 25925), (1220, 23375), (1250, 22814), (1342, 21250), (1375, 20740), (1525, 18700), (1700, 16775), (1870, 15250), (2074, 13750), (2125, 13420), (2500, 11407), (2684, 10625), (2750, 10370), (3050, 9350), (3355, 8500), (3740, 7625), (4148, 6875), (4250, 6710), (4675, 6100), (5185, 5500)]