204393620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{877}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 441331968

約数和(自身を除く): 236938348

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 271, 430, 542, 860, 877, 1084, 1355, 1754, 2710, 3508, 4385, 5420, 8770, 11653, 17540, 23306, 37711, 46612, 58265, 75422, 116530, 150844, 188555, 233060, 237667, 377110, 475334, 754220, 950668, 1188335, 2376670, 4753340, 10219681, 20439362, 40878724, 51098405, 102196810, 204393620]

約数ペア:

[(1, 204393620), (2, 102196810), (4, 51098405), (5, 40878724), (10, 20439362), (20, 10219681), (43, 4753340), (86, 2376670), (172, 1188335), (215, 950668), (271, 754220), (430, 475334), (542, 377110), (860, 237667), (877, 233060), (1084, 188555), (1355, 150844), (1754, 116530), (2710, 75422), (3508, 58265), (4385, 46612), (5420, 37711), (8770, 23306), (11653, 17540)]