388698770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{65993}}^1$

素因数の和:66050

約数の個数: 32

約数和(自身を含む): 760250880

約数和(自身を除く): 371552110

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 65993, 131986, 329965, 659930, 1253867, 2045783, 2507734, 4091566, 6269335, 10228915, 12538670, 20457830, 38869877, 77739754, 194349385, 388698770]

約数ペア:

[(1, 388698770), (2, 194349385), (5, 77739754), (10, 38869877), (19, 20457830), (31, 12538670), (38, 10228915), (62, 6269335), (95, 4091566), (155, 2507734), (190, 2045783), (310, 1253867), (589, 659930), (1178, 329965), (2945, 131986), (5890, 65993)]