557179640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{881}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 1275795360

約数和(自身を除く): 718615720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 163, 194, 326, 388, 485, 652, 776, 815, 881, 970, 1304, 1630, 1762, 1940, 3260, 3524, 3880, 4405, 6520, 7048, 8810, 15811, 17620, 31622, 35240, 63244, 79055, 85457, 126488, 143603, 158110, 170914, 287206, 316220, 341828, 427285, 574412, 632440, 683656, 718015, 854570, 1148824, 1436030, 1709140, 2872060, 3418280, 5744120, 13929491, 27858982, 55717964, 69647455, 111435928, 139294910, 278589820, 557179640]

約数ペア:

[(1, 557179640), (2, 278589820), (4, 139294910), (5, 111435928), (8, 69647455), (10, 55717964), (20, 27858982), (40, 13929491), (97, 5744120), (163, 3418280), (194, 2872060), (326, 1709140), (388, 1436030), (485, 1148824), (652, 854570), (776, 718015), (815, 683656), (881, 632440), (970, 574412), (1304, 427285), (1630, 341828), (1762, 316220), (1940, 287206), (3260, 170914), (3524, 158110), (3880, 143603), (4405, 126488), (6520, 85457), (7048, 79055), (8810, 63244), (15811, 35240), (17620, 31622)]