726758420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{4457}}^1$

素因数の和:4760

約数の個数: 48

約数和(自身を含む): 1581769728

約数和(自身を除く): 855011308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 263, 310, 526, 620, 1052, 1315, 2630, 4457, 5260, 8153, 8914, 16306, 17828, 22285, 32612, 40765, 44570, 81530, 89140, 138167, 163060, 276334, 552668, 690835, 1172191, 1381670, 2344382, 2763340, 4688764, 5860955, 11721910, 23443820, 36337921, 72675842, 145351684, 181689605, 363379210, 726758420]

約数ペア:

[(1, 726758420), (2, 363379210), (4, 181689605), (5, 145351684), (10, 72675842), (20, 36337921), (31, 23443820), (62, 11721910), (124, 5860955), (155, 4688764), (263, 2763340), (310, 2344382), (526, 1381670), (620, 1172191), (1052, 690835), (1315, 552668), (2630, 276334), (4457, 163060), (5260, 138167), (8153, 89140), (8914, 81530), (16306, 44570), (17828, 40765), (22285, 32612)]