78951290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 158578560

約数和(自身を除く): 79627270

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 355, 605, 710, 781, 919, 1210, 1562, 1838, 3905, 4595, 7810, 8591, 9190, 10109, 17182, 20218, 42955, 50545, 65249, 85910, 101090, 111199, 130498, 222398, 326245, 555995, 652490, 717739, 1111990, 1435478, 3588695, 7177390, 7895129, 15790258, 39475645, 78951290]

約数ペア:

[(1, 78951290), (2, 39475645), (5, 15790258), (10, 7895129), (11, 7177390), (22, 3588695), (55, 1435478), (71, 1111990), (110, 717739), (121, 652490), (142, 555995), (242, 326245), (355, 222398), (605, 130498), (710, 111199), (781, 101090), (919, 85910), (1210, 65249), (1562, 50545), (1838, 42955), (3905, 20218), (4595, 17182), (7810, 10109), (8591, 9190)]