331909620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{790261}}^1$

素因数の和:790280

約数の個数: 48

約数和(自身を含む): 1062112128

約数和(自身を除く): 730202508

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 790261, 1580522, 2370783, 3161044, 3951305, 4741566, 5531827, 7902610, 9483132, 11063654, 11853915, 15805220, 16595481, 22127308, 23707830, 27659135, 33190962, 47415660, 55318270, 66381924, 82977405, 110636540, 165954810, 331909620]

約数ペア:

[(1, 331909620), (2, 165954810), (3, 110636540), (4, 82977405), (5, 66381924), (6, 55318270), (7, 47415660), (10, 33190962), (12, 27659135), (14, 23707830), (15, 22127308), (20, 16595481), (21, 15805220), (28, 11853915), (30, 11063654), (35, 9483132), (42, 7902610), (60, 5531827), (70, 4741566), (84, 3951305), (105, 3161044), (140, 2370783), (210, 1580522), (420, 790261)]