2175580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 5362560

約数和(自身を除く): 3186980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 110, 116, 121, 124, 145, 155, 220, 242, 290, 310, 319, 341, 484, 580, 605, 620, 638, 682, 899, 1210, 1276, 1364, 1595, 1705, 1798, 2420, 3190, 3410, 3509, 3596, 3751, 4495, 6380, 6820, 7018, 7502, 8990, 9889, 14036, 15004, 17545, 17980, 18755, 19778, 35090, 37510, 39556, 49445, 70180, 75020, 98890, 108779, 197780, 217558, 435116, 543895, 1087790, 2175580]

約数ペア:

[(1, 2175580), (2, 1087790), (4, 543895), (5, 435116), (10, 217558), (11, 197780), (20, 108779), (22, 98890), (29, 75020), (31, 70180), (44, 49445), (55, 39556), (58, 37510), (62, 35090), (110, 19778), (116, 18755), (121, 17980), (124, 17545), (145, 15004), (155, 14036), (220, 9889), (242, 8990), (290, 7502), (310, 7018), (319, 6820), (341, 6380), (484, 4495), (580, 3751), (605, 3596), (620, 3509), (638, 3410), (682, 3190), (899, 2420), (1210, 1798), (1276, 1705), (1364, 1595)]