203415730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 428613120

約数和(自身を除く): 225197390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 103, 178, 206, 317, 445, 515, 623, 634, 721, 890, 1030, 1246, 1442, 1585, 2219, 3115, 3170, 3605, 4438, 6230, 7210, 9167, 11095, 18334, 22190, 28213, 32651, 45835, 56426, 64169, 65302, 91670, 128338, 141065, 163255, 197491, 228557, 282130, 320845, 326510, 394982, 457114, 641690, 987455, 1142785, 1974910, 2285570, 2905939, 5811878, 14529695, 20341573, 29059390, 40683146, 101707865, 203415730]

約数ペア:

[(1, 203415730), (2, 101707865), (5, 40683146), (7, 29059390), (10, 20341573), (14, 14529695), (35, 5811878), (70, 2905939), (89, 2285570), (103, 1974910), (178, 1142785), (206, 987455), (317, 641690), (445, 457114), (515, 394982), (623, 326510), (634, 320845), (721, 282130), (890, 228557), (1030, 197491), (1246, 163255), (1442, 141065), (1585, 128338), (2219, 91670), (3115, 65302), (3170, 64169), (3605, 56426), (4438, 45835), (6230, 32651), (7210, 28213), (9167, 22190), (11095, 18334)]