2081940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4957}}^1$

素因数の和:4976

約数の個数: 48

約数和(自身を含む): 6663552

約数和(自身を除く): 4581612

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, 4957, 9914, 14871, 19828, 24785, 29742, 34699, 49570, 59484, 69398, 74355, 99140, 104097, 138796, 148710, 173495, 208194, 297420, 346990, 416388, 520485, 693980, 1040970, 2081940]

約数ペア:

[(1, 2081940), (2, 1040970), (3, 693980), (4, 520485), (5, 416388), (6, 346990), (7, 297420), (10, 208194), (12, 173495), (14, 148710), (15, 138796), (20, 104097), (21, 99140), (28, 74355), (30, 69398), (35, 59484), (42, 49570), (60, 34699), (70, 29742), (84, 24785), (105, 19828), (140, 14871), (210, 9914), (420, 4957)]