139194580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{994247}}^1$

素因数の和:994263

約数の個数: 24

約数和(自身を含む): 334067328

約数和(自身を除く): 194872748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 994247, 1988494, 3976988, 4971235, 6959729, 9942470, 13919458, 19884940, 27838916, 34798645, 69597290, 139194580]

約数ペア:

[(1, 139194580), (2, 69597290), (4, 34798645), (5, 27838916), (7, 19884940), (10, 13919458), (14, 9942470), (20, 6959729), (28, 4971235), (35, 3976988), (70, 1988494), (140, 994247)]