917125420

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{4057}}^1$

素因数の和:4282

約数の個数: 48

約数和(自身を含む): 1963422720

約数和(自身を除く): 1046297300

約数列:

[1, 2, 4, 5, 10, 20, 89, 127, 178, 254, 356, 445, 508, 635, 890, 1270, 1780, 2540, 4057, 8114, 11303, 16228, 20285, 22606, 40570, 45212, 56515, 81140, 113030, 226060, 361073, 515239, 722146, 1030478, 1444292, 1805365, 2060956, 2576195, 3610730, 5152390, 7221460, 10304780, 45856271, 91712542, 183425084, 229281355, 458562710, 917125420]

約数ペア:

[(1, 917125420), (2, 458562710), (4, 229281355), (5, 183425084), (10, 91712542), (20, 45856271), (89, 10304780), (127, 7221460), (178, 5152390), (254, 3610730), (356, 2576195), (445, 2060956), (508, 1805365), (635, 1444292), (890, 1030478), (1270, 722146), (1780, 515239), (2540, 361073), (4057, 226060), (8114, 113030), (11303, 81140), (16228, 56515), (20285, 45212), (22606, 40570)]