648103670

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1\times {\mathrm{1993}}^1$

素因数の和:3080

約数の個数: 32

約数和(自身を含む): 1205971200

約数和(自身を除く): 557867530

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 1049, 1993, 2098, 3986, 5245, 9965, 10490, 19930, 32519, 61783, 65038, 123566, 162595, 308915, 325190, 617830, 2090657, 4181314, 10453285, 20906570, 64810367, 129620734, 324051835, 648103670]

約数ペア:

[(1, 648103670), (2, 324051835), (5, 129620734), (10, 64810367), (31, 20906570), (62, 10453285), (155, 4181314), (310, 2090657), (1049, 617830), (1993, 325190), (2098, 308915), (3986, 162595), (5245, 123566), (9965, 65038), (10490, 61783), (19930, 32519)]