68687570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1489}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 141609600

約数和(自身を除く): 72922030

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 659, 1318, 1489, 2978, 3295, 4613, 6590, 7445, 9226, 10423, 14890, 20846, 23065, 46130, 52115, 104230, 981251, 1962502, 4906255, 6868757, 9812510, 13737514, 34343785, 68687570]

約数ペア:

[(1, 68687570), (2, 34343785), (5, 13737514), (7, 9812510), (10, 6868757), (14, 4906255), (35, 1962502), (70, 981251), (659, 104230), (1318, 52115), (1489, 46130), (2978, 23065), (3295, 20846), (4613, 14890), (6590, 10423), (7445, 9226)]