79048780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1867}}^1$

素因数の和:1978

約数の個数: 48

約数和(自身を含む): 174172320

約数和(自身を除く): 95123540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 1867, 2117, 3734, 4234, 7468, 8468, 9335, 10585, 18670, 21170, 37340, 42340, 54143, 108286, 136291, 216572, 270715, 272582, 541430, 545164, 681455, 1082860, 1362910, 2725820, 3952439, 7904878, 15809756, 19762195, 39524390, 79048780]

約数ペア:

[(1, 79048780), (2, 39524390), (4, 19762195), (5, 15809756), (10, 7904878), (20, 3952439), (29, 2725820), (58, 1362910), (73, 1082860), (116, 681455), (145, 545164), (146, 541430), (290, 272582), (292, 270715), (365, 216572), (580, 136291), (730, 108286), (1460, 54143), (1867, 42340), (2117, 37340), (3734, 21170), (4234, 18670), (7468, 10585), (8468, 9335)]