19568997500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{35419}}^1$

素因数の和:35473

約数の個数: 120

約数和(自身を含む): 48797567280

約数和(自身を除く): 29228569780

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 125, 130, 170, 221, 250, 260, 325, 340, 425, 442, 500, 625, 650, 850, 884, 1105, 1250, 1300, 1625, 1700, 2125, 2210, 2500, 3250, 4250, 4420, 5525, 6500, 8125, 8500, 10625, 11050, 16250, 21250, 22100, 27625, 32500, 35419, 42500, 55250, 70838, 110500, 138125, 141676, 177095, 276250, 354190, 460447, 552500, 602123, 708380, 885475, 920894, 1204246, 1770950, 1841788, 2302235, 2408492, 3010615, 3541900, 4427375, 4604470, 6021230, 7827599, 8854750, 9208940, 11511175, 12042460, 15053075, 15655198, 17709500, 22136875, 23022350, 30106150, 31310396, 39137995, 44273750, 46044700, 57555875, 60212300, 75265375, 78275990, 88547500, 115111750, 150530750, 156551980, 195689975, 230223500, 287779375, 301061500, 376326875, 391379950, 575558750, 752653750, 782759900, 978449875, 1151117500, 1505307500, 1956899750, 3913799500, 4892249375, 9784498750, 19568997500]

約数ペア:

[(1, 19568997500), (2, 9784498750), (4, 4892249375), (5, 3913799500), (10, 1956899750), (13, 1505307500), (17, 1151117500), (20, 978449875), (25, 782759900), (26, 752653750), (34, 575558750), (50, 391379950), (52, 376326875), (65, 301061500), (68, 287779375), (85, 230223500), (100, 195689975), (125, 156551980), (130, 150530750), (170, 115111750), (221, 88547500), (250, 78275990), (260, 75265375), (325, 60212300), (340, 57555875), (425, 46044700), (442, 44273750), (500, 39137995), (625, 31310396), (650, 30106150), (850, 23022350), (884, 22136875), (1105, 17709500), (1250, 15655198), (1300, 15053075), (1625, 12042460), (1700, 11511175), (2125, 9208940), (2210, 8854750), (2500, 7827599), (3250, 6021230), (4250, 4604470), (4420, 4427375), (5525, 3541900), (6500, 3010615), (8125, 2408492), (8500, 2302235), (10625, 1841788), (11050, 1770950), (16250, 1204246), (21250, 920894), (22100, 885475), (27625, 708380), (32500, 602123), (35419, 552500), (42500, 460447), (55250, 354190), (70838, 276250), (110500, 177095), (138125, 141676)]