400135120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3821}}^1$

素因数の和:3869

約数の個数: 160

約数和(自身を含む): 1228421376

約数和(自身を除く): 828286256

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 170, 176, 187, 220, 238, 272, 280, 308, 340, 374, 385, 440, 476, 560, 595, 616, 680, 748, 770, 880, 935, 952, 1190, 1232, 1309, 1360, 1496, 1540, 1870, 1904, 2380, 2618, 2992, 3080, 3740, 3821, 4760, 5236, 6160, 6545, 7480, 7642, 9520, 10472, 13090, 14960, 15284, 19105, 20944, 26180, 26747, 30568, 38210, 42031, 52360, 53494, 61136, 64957, 76420, 84062, 104720, 106988, 129914, 133735, 152840, 168124, 210155, 213976, 259828, 267470, 294217, 305680, 324785, 336248, 420310, 427952, 454699, 519656, 534940, 588434, 649570, 672496, 714527, 840620, 909398, 1039312, 1069880, 1176868, 1299140, 1429054, 1471085, 1681240, 1818796, 2139760, 2273495, 2353736, 2598280, 2858108, 2942170, 3362480, 3572635, 3637592, 4546990, 4707472, 5001689, 5196560, 5716216, 5884340, 7145270, 7275184, 9093980, 10003378, 11432432, 11768680, 14290540, 18187960, 20006756, 23537360, 25008445, 28581080, 36375920, 40013512, 50016890, 57162160, 80027024, 100033780, 200067560, 400135120]

約数ペア:

[(1, 400135120), (2, 200067560), (4, 100033780), (5, 80027024), (7, 57162160), (8, 50016890), (10, 40013512), (11, 36375920), (14, 28581080), (16, 25008445), (17, 23537360), (20, 20006756), (22, 18187960), (28, 14290540), (34, 11768680), (35, 11432432), (40, 10003378), (44, 9093980), (55, 7275184), (56, 7145270), (68, 5884340), (70, 5716216), (77, 5196560), (80, 5001689), (85, 4707472), (88, 4546990), (110, 3637592), (112, 3572635), (119, 3362480), (136, 2942170), (140, 2858108), (154, 2598280), (170, 2353736), (176, 2273495), (187, 2139760), (220, 1818796), (238, 1681240), (272, 1471085), (280, 1429054), (308, 1299140), (340, 1176868), (374, 1069880), (385, 1039312), (440, 909398), (476, 840620), (560, 714527), (595, 672496), (616, 649570), (680, 588434), (748, 534940), (770, 519656), (880, 454699), (935, 427952), (952, 420310), (1190, 336248), (1232, 324785), (1309, 305680), (1360, 294217), (1496, 267470), (1540, 259828), (1870, 213976), (1904, 210155), (2380, 168124), (2618, 152840), (2992, 133735), (3080, 129914), (3740, 106988), (3821, 104720), (4760, 84062), (5236, 76420), (6160, 64957), (6545, 61136), (7480, 53494), (7642, 52360), (9520, 42031), (10472, 38210), (13090, 30568), (14960, 26747), (15284, 26180), (19105, 20944)]