397455980

素因数分解:

$2^2\times 5^1\times {\mathrm{3169}}^1\times {\mathrm{6271}}^1$

素因数の和:9449

約数の個数: 24

約数和(自身を含む): 835054080

約数和(自身を除く): 437598100

約数列:

[1, 2, 4, 5, 10, 20, 3169, 6271, 6338, 12542, 12676, 15845, 25084, 31355, 31690, 62710, 63380, 125420, 19872799, 39745598, 79491196, 99363995, 198727990, 397455980]

約数ペア:

[(1, 397455980), (2, 198727990), (4, 99363995), (5, 79491196), (10, 39745598), (20, 19872799), (3169, 125420), (6271, 63380), (6338, 62710), (12542, 31690), (12676, 31355), (15845, 25084)]