88685740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2819}}^1$

素因数の和:2863

約数の個数: 72

約数和(自身を含む): 220535280

約数和(自身を除く): 131849540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2819, 2860, 3146, 5638, 6292, 7865, 11276, 14095, 15730, 28190, 31009, 31460, 36647, 56380, 62018, 73294, 124036, 146588, 155045, 183235, 310090, 341099, 366470, 403117, 620180, 682198, 732940, 806234, 1364396, 1612468, 1705495, 2015585, 3410990, 4031170, 4434287, 6821980, 8062340, 8868574, 17737148, 22171435, 44342870, 88685740]

約数ペア:

[(1, 88685740), (2, 44342870), (4, 22171435), (5, 17737148), (10, 8868574), (11, 8062340), (13, 6821980), (20, 4434287), (22, 4031170), (26, 3410990), (44, 2015585), (52, 1705495), (55, 1612468), (65, 1364396), (110, 806234), (121, 732940), (130, 682198), (143, 620180), (220, 403117), (242, 366470), (260, 341099), (286, 310090), (484, 183235), (572, 155045), (605, 146588), (715, 124036), (1210, 73294), (1430, 62018), (1573, 56380), (2420, 36647), (2819, 31460), (2860, 31009), (3146, 28190), (5638, 15730), (6292, 14095), (7865, 11276)]