638851830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{256567}}^1$

素因数の和:256660

約数の個数: 32

約数和(自身を含む): 1551723264

約数和(自身を除く): 912871434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 256567, 513134, 769701, 1282835, 1539402, 2565670, 3848505, 7697010, 21295061, 42590122, 63885183, 106475305, 127770366, 212950610, 319425915, 638851830]

約数ペア:

[(1, 638851830), (2, 319425915), (3, 212950610), (5, 127770366), (6, 106475305), (10, 63885183), (15, 42590122), (30, 21295061), (83, 7697010), (166, 3848505), (249, 2565670), (415, 1539402), (498, 1282835), (830, 769701), (1245, 513134), (2490, 256567)]