15377890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 31026240

約数和(自身を除く): 15648350

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 179, 242, 355, 358, 605, 710, 781, 895, 1210, 1562, 1790, 1969, 3905, 3938, 7810, 8591, 9845, 12709, 17182, 19690, 21659, 25418, 42955, 43318, 63545, 85910, 108295, 127090, 139799, 216590, 279598, 698995, 1397990, 1537789, 3075578, 7688945, 15377890]

約数ペア:

[(1, 15377890), (2, 7688945), (5, 3075578), (10, 1537789), (11, 1397990), (22, 698995), (55, 279598), (71, 216590), (110, 139799), (121, 127090), (142, 108295), (179, 85910), (242, 63545), (355, 43318), (358, 42955), (605, 25418), (710, 21659), (781, 19690), (895, 17182), (1210, 12709), (1562, 9845), (1790, 8591), (1969, 7810), (3905, 3938)]