31158350

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 60103296

約数和(自身を除く): 28944946

約数列:

[1, 2, 5, 10, 25, 50, 67, 71, 131, 134, 142, 262, 335, 355, 655, 670, 710, 1310, 1675, 1775, 3275, 3350, 3550, 4757, 6550, 8777, 9301, 9514, 17554, 18602, 23785, 43885, 46505, 47570, 87770, 93010, 118925, 219425, 232525, 237850, 438850, 465050, 623167, 1246334, 3115835, 6231670, 15579175, 31158350]

約数ペア:

[(1, 31158350), (2, 15579175), (5, 6231670), (10, 3115835), (25, 1246334), (50, 623167), (67, 465050), (71, 438850), (131, 237850), (134, 232525), (142, 219425), (262, 118925), (335, 93010), (355, 87770), (655, 47570), (670, 46505), (710, 43885), (1310, 23785), (1675, 18602), (1775, 17554), (3275, 9514), (3350, 9301), (3550, 8777), (4757, 6550)]