209308920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22079}}^1$

素因数の和:22172

約数の個数: 64

約数和(自身を含む): 635904000

約数和(自身を除く): 426595080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 22079, 44158, 66237, 88316, 110395, 132474, 176632, 220790, 264948, 331185, 441580, 529896, 662370, 883160, 1324740, 1744241, 2649480, 3488482, 5232723, 6976964, 8721205, 10465446, 13953928, 17442410, 20930892, 26163615, 34884820, 41861784, 52327230, 69769640, 104654460, 209308920]

約数ペア:

[(1, 209308920), (2, 104654460), (3, 69769640), (4, 52327230), (5, 41861784), (6, 34884820), (8, 26163615), (10, 20930892), (12, 17442410), (15, 13953928), (20, 10465446), (24, 8721205), (30, 6976964), (40, 5232723), (60, 3488482), (79, 2649480), (120, 1744241), (158, 1324740), (237, 883160), (316, 662370), (395, 529896), (474, 441580), (632, 331185), (790, 264948), (948, 220790), (1185, 176632), (1580, 132474), (1896, 110395), (2370, 88316), (3160, 66237), (4740, 44158), (9480, 22079)]