45017980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3613}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 109287360

約数和(自身を除く): 64269380

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, 3613, 6230, 7226, 12460, 14452, 18065, 25291, 36130, 50582, 72260, 101164, 126455, 252910, 321557, 505820, 643114, 1286228, 1607785, 2250899, 3215570, 4501798, 6431140, 9003596, 11254495, 22508990, 45017980]

約数ペア:

[(1, 45017980), (2, 22508990), (4, 11254495), (5, 9003596), (7, 6431140), (10, 4501798), (14, 3215570), (20, 2250899), (28, 1607785), (35, 1286228), (70, 643114), (89, 505820), (140, 321557), (178, 252910), (356, 126455), (445, 101164), (623, 72260), (890, 50582), (1246, 36130), (1780, 25291), (2492, 18065), (3115, 14452), (3613, 12460), (6230, 7226)]