87307990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1597}}^1$

素因数の和:1693

約数の個数: 64

約数和(自身を含む): 198816768

約数和(自身を除く): 111508778

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 1562, 1597, 2485, 3194, 3905, 4970, 5467, 7810, 7985, 10934, 11179, 15970, 17567, 22358, 27335, 35134, 54670, 55895, 87835, 111790, 113387, 122969, 175670, 226774, 245938, 566935, 614845, 793709, 1133870, 1229690, 1247257, 1587418, 2494514, 3968545, 6236285, 7937090, 8730799, 12472570, 17461598, 43653995, 87307990]

約数ペア:

[(1, 87307990), (2, 43653995), (5, 17461598), (7, 12472570), (10, 8730799), (11, 7937090), (14, 6236285), (22, 3968545), (35, 2494514), (55, 1587418), (70, 1247257), (71, 1229690), (77, 1133870), (110, 793709), (142, 614845), (154, 566935), (355, 245938), (385, 226774), (497, 175670), (710, 122969), (770, 113387), (781, 111790), (994, 87835), (1562, 55895), (1597, 54670), (2485, 35134), (3194, 27335), (3905, 22358), (4970, 17567), (5467, 15970), (7810, 11179), (7985, 10934)]