71748220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{599}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 155131200

約数和(自身を除く): 83382980

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 113, 212, 226, 265, 452, 530, 565, 599, 1060, 1130, 1198, 2260, 2396, 2995, 5989, 5990, 11978, 11980, 23956, 29945, 31747, 59890, 63494, 67687, 119780, 126988, 135374, 158735, 270748, 317470, 338435, 634940, 676870, 1353740, 3587411, 7174822, 14349644, 17937055, 35874110, 71748220]

約数ペア:

[(1, 71748220), (2, 35874110), (4, 17937055), (5, 14349644), (10, 7174822), (20, 3587411), (53, 1353740), (106, 676870), (113, 634940), (212, 338435), (226, 317470), (265, 270748), (452, 158735), (530, 135374), (565, 126988), (599, 119780), (1060, 67687), (1130, 63494), (1198, 59890), (2260, 31747), (2396, 29945), (2995, 23956), (5989, 11980), (5990, 11978)]