3903760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{6971}}^1$

素因数の和:6991

約数の個数: 40

約数和(自身を含む): 10374336

約数和(自身を除く): 6470576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 6971, 13942, 27884, 34855, 48797, 55768, 69710, 97594, 111536, 139420, 195188, 243985, 278840, 390376, 487970, 557680, 780752, 975940, 1951880, 3903760]

約数ペア:

[(1, 3903760), (2, 1951880), (4, 975940), (5, 780752), (7, 557680), (8, 487970), (10, 390376), (14, 278840), (16, 243985), (20, 195188), (28, 139420), (35, 111536), (40, 97594), (56, 69710), (70, 55768), (80, 48797), (112, 34855), (140, 27884), (280, 13942), (560, 6971)]