318551350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15809}}^1$

素因数の和:15865

約数の個数: 48

約数和(自身を含む): 658707840

約数和(自身を除く): 340156490

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 650, 775, 806, 1550, 2015, 4030, 10075, 15809, 20150, 31618, 79045, 158090, 205517, 395225, 411034, 490079, 790450, 980158, 1027585, 2055170, 2450395, 4900790, 5137925, 6371027, 10275850, 12251975, 12742054, 24503950, 31855135, 63710270, 159275675, 318551350]

約数ペア:

[(1, 318551350), (2, 159275675), (5, 63710270), (10, 31855135), (13, 24503950), (25, 12742054), (26, 12251975), (31, 10275850), (50, 6371027), (62, 5137925), (65, 4900790), (130, 2450395), (155, 2055170), (310, 1027585), (325, 980158), (403, 790450), (650, 490079), (775, 411034), (806, 395225), (1550, 205517), (2015, 158090), (4030, 79045), (10075, 31618), (15809, 20150)]