4650500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 48

約数和(自身を含む): 10378368

約数和(自身を除く): 5727868

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 131, 142, 250, 262, 284, 355, 500, 524, 655, 710, 1310, 1420, 1775, 2620, 3275, 3550, 6550, 7100, 8875, 9301, 13100, 16375, 17750, 18602, 32750, 35500, 37204, 46505, 65500, 93010, 186020, 232525, 465050, 930100, 1162625, 2325250, 4650500]

約数ペア:

[(1, 4650500), (2, 2325250), (4, 1162625), (5, 930100), (10, 465050), (20, 232525), (25, 186020), (50, 93010), (71, 65500), (100, 46505), (125, 37204), (131, 35500), (142, 32750), (250, 18602), (262, 17750), (284, 16375), (355, 13100), (500, 9301), (524, 8875), (655, 7100), (710, 6550), (1310, 3550), (1420, 3275), (1775, 2620)]