2663210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 5515776

約数和(自身を除く): 2852566

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 71, 110, 121, 142, 155, 242, 310, 341, 355, 605, 682, 710, 781, 1210, 1562, 1705, 2201, 3410, 3751, 3905, 4402, 7502, 7810, 8591, 11005, 17182, 18755, 22010, 24211, 37510, 42955, 48422, 85910, 121055, 242110, 266321, 532642, 1331605, 2663210]

約数ペア:

[(1, 2663210), (2, 1331605), (5, 532642), (10, 266321), (11, 242110), (22, 121055), (31, 85910), (55, 48422), (62, 42955), (71, 37510), (110, 24211), (121, 22010), (142, 18755), (155, 17182), (242, 11005), (310, 8591), (341, 7810), (355, 7502), (605, 4402), (682, 3905), (710, 3751), (781, 3410), (1210, 2201), (1562, 1705)]