726676820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{2207}}^1$

素因数の和:2480

約数の個数: 48

約数和(自身を含む): 1551287808

約数和(自身を除く): 824610988

約数列:

[1, 2, 4, 5, 10, 20, 101, 163, 202, 326, 404, 505, 652, 815, 1010, 1630, 2020, 2207, 3260, 4414, 8828, 11035, 16463, 22070, 32926, 44140, 65852, 82315, 164630, 222907, 329260, 359741, 445814, 719482, 891628, 1114535, 1438964, 1798705, 2229070, 3597410, 4458140, 7194820, 36333841, 72667682, 145335364, 181669205, 363338410, 726676820]

約数ペア:

[(1, 726676820), (2, 363338410), (4, 181669205), (5, 145335364), (10, 72667682), (20, 36333841), (101, 7194820), (163, 4458140), (202, 3597410), (326, 2229070), (404, 1798705), (505, 1438964), (652, 1114535), (815, 891628), (1010, 719482), (1630, 445814), (2020, 359741), (2207, 329260), (3260, 222907), (4414, 164630), (8828, 82315), (11035, 65852), (16463, 44140), (22070, 32926)]