90764380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{648317}}^1$

素因数の和:648333

約数の個数: 24

約数和(自身を含む): 217834848

約数和(自身を除く): 127070468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 648317, 1296634, 2593268, 3241585, 4538219, 6483170, 9076438, 12966340, 18152876, 22691095, 45382190, 90764380]

約数ペア:

[(1, 90764380), (2, 45382190), (4, 22691095), (5, 18152876), (7, 12966340), (10, 9076438), (14, 6483170), (20, 4538219), (28, 3241585), (35, 2593268), (70, 1296634), (140, 648317)]