71339380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7177}}^1$

素因数の和:7264

約数の個数: 48

約数和(自身を含む): 173650176

約数和(自身を除く): 102310796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 7177, 9940, 14354, 28708, 35885, 50239, 71770, 100478, 143540, 200956, 251195, 502390, 509567, 1004780, 1019134, 2038268, 2547835, 3566969, 5095670, 7133938, 10191340, 14267876, 17834845, 35669690, 71339380]

約数ペア:

[(1, 71339380), (2, 35669690), (4, 17834845), (5, 14267876), (7, 10191340), (10, 7133938), (14, 5095670), (20, 3566969), (28, 2547835), (35, 2038268), (70, 1019134), (71, 1004780), (140, 509567), (142, 502390), (284, 251195), (355, 200956), (497, 143540), (710, 100478), (994, 71770), (1420, 50239), (1988, 35885), (2485, 28708), (4970, 14354), (7177, 9940)]