202225780

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{859}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 433440000

約数和(自身を除く): 231214220

約数列:

[1, 2, 4, 5, 10, 20, 79, 149, 158, 298, 316, 395, 596, 745, 790, 859, 1490, 1580, 1718, 2980, 3436, 4295, 8590, 11771, 17180, 23542, 47084, 58855, 67861, 117710, 127991, 135722, 235420, 255982, 271444, 339305, 511964, 639955, 678610, 1279910, 1357220, 2559820, 10111289, 20222578, 40445156, 50556445, 101112890, 202225780]

約数ペア:

[(1, 202225780), (2, 101112890), (4, 50556445), (5, 40445156), (10, 20222578), (20, 10111289), (79, 2559820), (149, 1357220), (158, 1279910), (298, 678610), (316, 639955), (395, 511964), (596, 339305), (745, 271444), (790, 255982), (859, 235420), (1490, 135722), (1580, 127991), (1718, 117710), (2980, 67861), (3436, 58855), (4295, 47084), (8590, 23542), (11771, 17180)]