3914940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{919}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 11128320

約数和(自身を除く): 7213380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 919, 1065, 1420, 1838, 2130, 2757, 3676, 4260, 4595, 5514, 9190, 11028, 13785, 18380, 27570, 55140, 65249, 130498, 195747, 260996, 326245, 391494, 652490, 782988, 978735, 1304980, 1957470, 3914940]

約数ペア:

[(1, 3914940), (2, 1957470), (3, 1304980), (4, 978735), (5, 782988), (6, 652490), (10, 391494), (12, 326245), (15, 260996), (20, 195747), (30, 130498), (60, 65249), (71, 55140), (142, 27570), (213, 18380), (284, 13785), (355, 11028), (426, 9190), (710, 5514), (852, 4595), (919, 4260), (1065, 3676), (1420, 2757), (1838, 2130)]