86858660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6971}}^1$

素因数の和:7076

約数の個数: 48

約数和(自身を含む): 210833280

約数和(自身を除く): 123974620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 6971, 12460, 13942, 27884, 34855, 48797, 69710, 97594, 139420, 195188, 243985, 487970, 620419, 975940, 1240838, 2481676, 3102095, 4342933, 6204190, 8685866, 12408380, 17371732, 21714665, 43429330, 86858660]

約数ペア:

[(1, 86858660), (2, 43429330), (4, 21714665), (5, 17371732), (7, 12408380), (10, 8685866), (14, 6204190), (20, 4342933), (28, 3102095), (35, 2481676), (70, 1240838), (89, 975940), (140, 620419), (178, 487970), (356, 243985), (445, 195188), (623, 139420), (890, 97594), (1246, 69710), (1780, 48797), (2492, 34855), (3115, 27884), (6230, 13942), (6971, 12460)]