1799797780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{757}}^1$

素因数の和:985

約数の個数: 96

約数和(自身を含む): 4208464512

約数和(自身を除く): 2408666732

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 107, 110, 202, 214, 220, 404, 428, 505, 535, 757, 1010, 1070, 1111, 1177, 1514, 2020, 2140, 2222, 2354, 3028, 3785, 4444, 4708, 5555, 5885, 7570, 8327, 10807, 11110, 11770, 15140, 16654, 21614, 22220, 23540, 33308, 41635, 43228, 54035, 76457, 80999, 83270, 108070, 118877, 152914, 161998, 166540, 216140, 237754, 305828, 323996, 382285, 404995, 475508, 594385, 764570, 809990, 841027, 890989, 1188770, 1529140, 1619980, 1682054, 1781978, 2377540, 3364108, 3563956, 4205135, 4454945, 8180899, 8410270, 8909890, 16361798, 16820540, 17819780, 32723596, 40904495, 81808990, 89989889, 163617980, 179979778, 359959556, 449949445, 899898890, 1799797780]

約数ペア:

[(1, 1799797780), (2, 899898890), (4, 449949445), (5, 359959556), (10, 179979778), (11, 163617980), (20, 89989889), (22, 81808990), (44, 40904495), (55, 32723596), (101, 17819780), (107, 16820540), (110, 16361798), (202, 8909890), (214, 8410270), (220, 8180899), (404, 4454945), (428, 4205135), (505, 3563956), (535, 3364108), (757, 2377540), (1010, 1781978), (1070, 1682054), (1111, 1619980), (1177, 1529140), (1514, 1188770), (2020, 890989), (2140, 841027), (2222, 809990), (2354, 764570), (3028, 594385), (3785, 475508), (4444, 404995), (4708, 382285), (5555, 323996), (5885, 305828), (7570, 237754), (8327, 216140), (10807, 166540), (11110, 161998), (11770, 152914), (15140, 118877), (16654, 108070), (21614, 83270), (22220, 80999), (23540, 76457), (33308, 54035), (41635, 43228)]