72968980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{3121}}^1$

素因数の和:3304

約数の個数: 48

約数和(自身を含む): 176230656

約数和(自身を除く): 103261676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3121, 3340, 4676, 5845, 6242, 11690, 12484, 15605, 21847, 23380, 31210, 43694, 62420, 87388, 109235, 218470, 436940, 521207, 1042414, 2084828, 2606035, 3648449, 5212070, 7296898, 10424140, 14593796, 18242245, 36484490, 72968980]

約数ペア:

[(1, 72968980), (2, 36484490), (4, 18242245), (5, 14593796), (7, 10424140), (10, 7296898), (14, 5212070), (20, 3648449), (28, 2606035), (35, 2084828), (70, 1042414), (140, 521207), (167, 436940), (334, 218470), (668, 109235), (835, 87388), (1169, 62420), (1670, 43694), (2338, 31210), (3121, 23380), (3340, 21847), (4676, 15605), (5845, 12484), (6242, 11690)]