79724680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{284731}}^1$

素因数の和:284749

約数の個数: 32

約数和(自身を含む): 205007040

約数和(自身を除く): 125282360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 284731, 569462, 1138924, 1423655, 1993117, 2277848, 2847310, 3986234, 5694620, 7972468, 9965585, 11389240, 15944936, 19931170, 39862340, 79724680]

約数ペア:

[(1, 79724680), (2, 39862340), (4, 19931170), (5, 15944936), (7, 11389240), (8, 9965585), (10, 7972468), (14, 5694620), (20, 3986234), (28, 2847310), (35, 2277848), (40, 1993117), (56, 1423655), (70, 1138924), (140, 569462), (280, 284731)]