177824020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:601

約数の個数: 72

約数和(自身を含む): 413654472

約数和(自身を除く): 235830452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 197, 220, 242, 373, 394, 484, 605, 746, 788, 985, 1210, 1492, 1865, 1970, 2167, 2420, 3730, 3940, 4103, 4334, 7460, 8206, 8668, 10835, 16412, 20515, 21670, 23837, 41030, 43340, 45133, 47674, 73481, 82060, 90266, 95348, 119185, 146962, 180532, 225665, 238370, 293924, 367405, 451330, 476740, 734810, 808291, 902660, 1469620, 1616582, 3233164, 4041455, 8082910, 8891201, 16165820, 17782402, 35564804, 44456005, 88912010, 177824020]

約数ペア:

[(1, 177824020), (2, 88912010), (4, 44456005), (5, 35564804), (10, 17782402), (11, 16165820), (20, 8891201), (22, 8082910), (44, 4041455), (55, 3233164), (110, 1616582), (121, 1469620), (197, 902660), (220, 808291), (242, 734810), (373, 476740), (394, 451330), (484, 367405), (605, 293924), (746, 238370), (788, 225665), (985, 180532), (1210, 146962), (1492, 119185), (1865, 95348), (1970, 90266), (2167, 82060), (2420, 73481), (3730, 47674), (3940, 45133), (4103, 43340), (4334, 41030), (7460, 23837), (8206, 21670), (8668, 20515), (10835, 16412)]