72091420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{283}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 155731968

約数和(自身を除く): 83640548

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 271, 283, 470, 542, 566, 940, 1084, 1132, 1355, 1415, 2710, 2830, 5420, 5660, 12737, 13301, 25474, 26602, 50948, 53204, 63685, 66505, 76693, 127370, 133010, 153386, 254740, 266020, 306772, 383465, 766930, 1533860, 3604571, 7209142, 14418284, 18022855, 36045710, 72091420]

約数ペア:

[(1, 72091420), (2, 36045710), (4, 18022855), (5, 14418284), (10, 7209142), (20, 3604571), (47, 1533860), (94, 766930), (188, 383465), (235, 306772), (271, 266020), (283, 254740), (470, 153386), (542, 133010), (566, 127370), (940, 76693), (1084, 66505), (1132, 63685), (1355, 53204), (1415, 50948), (2710, 26602), (2830, 25474), (5420, 13301), (5660, 12737)]