199495120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 524544552

約数和(自身を除く): 325049432

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 121, 148, 176, 185, 220, 242, 296, 370, 407, 440, 484, 557, 592, 605, 740, 814, 880, 968, 1114, 1210, 1480, 1628, 1936, 2035, 2228, 2420, 2785, 2960, 3256, 4070, 4456, 4477, 4840, 5570, 6127, 6512, 8140, 8912, 8954, 9680, 11140, 12254, 16280, 17908, 20609, 22280, 22385, 24508, 30635, 32560, 35816, 41218, 44560, 44770, 49016, 61270, 67397, 71632, 82436, 89540, 98032, 103045, 122540, 134794, 164872, 179080, 206090, 226699, 245080, 269588, 329744, 336985, 358160, 412180, 453398, 490160, 539176, 673970, 824360, 906796, 1078352, 1133495, 1347940, 1648720, 1813592, 2266990, 2493689, 2695880, 3627184, 4533980, 4987378, 5391760, 9067960, 9974756, 12468445, 18135920, 19949512, 24936890, 39899024, 49873780, 99747560, 199495120]

約数ペア:

[(1, 199495120), (2, 99747560), (4, 49873780), (5, 39899024), (8, 24936890), (10, 19949512), (11, 18135920), (16, 12468445), (20, 9974756), (22, 9067960), (37, 5391760), (40, 4987378), (44, 4533980), (55, 3627184), (74, 2695880), (80, 2493689), (88, 2266990), (110, 1813592), (121, 1648720), (148, 1347940), (176, 1133495), (185, 1078352), (220, 906796), (242, 824360), (296, 673970), (370, 539176), (407, 490160), (440, 453398), (484, 412180), (557, 358160), (592, 336985), (605, 329744), (740, 269588), (814, 245080), (880, 226699), (968, 206090), (1114, 179080), (1210, 164872), (1480, 134794), (1628, 122540), (1936, 103045), (2035, 98032), (2228, 89540), (2420, 82436), (2785, 71632), (2960, 67397), (3256, 61270), (4070, 49016), (4456, 44770), (4477, 44560), (4840, 41218), (5570, 35816), (6127, 32560), (6512, 30635), (8140, 24508), (8912, 22385), (8954, 22280), (9680, 20609), (11140, 17908), (12254, 16280)]