83771940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199457}}^1$

素因数の和:199476

約数の個数: 48

約数和(自身を含む): 268071552

約数和(自身を除く): 184299612

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, 199457, 398914, 598371, 797828, 997285, 1196742, 1396199, 1994570, 2393484, 2792398, 2991855, 3989140, 4188597, 5584796, 5983710, 6980995, 8377194, 11967420, 13961990, 16754388, 20942985, 27923980, 41885970, 83771940]

約数ペア:

[(1, 83771940), (2, 41885970), (3, 27923980), (4, 20942985), (5, 16754388), (6, 13961990), (7, 11967420), (10, 8377194), (12, 6980995), (14, 5983710), (15, 5584796), (20, 4188597), (21, 3989140), (28, 2991855), (30, 2792398), (35, 2393484), (42, 1994570), (60, 1396199), (70, 1196742), (84, 997285), (105, 797828), (140, 598371), (210, 398914), (420, 199457)]