199029020

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{2551}}^1$

素因数の和:2690

約数の個数: 48

約数和(自身を含む): 432165888

約数和(自身を除く): 233136868

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 166, 188, 235, 332, 415, 470, 830, 940, 1660, 2551, 3901, 5102, 7802, 10204, 12755, 15604, 19505, 25510, 39010, 51020, 78020, 119897, 211733, 239794, 423466, 479588, 599485, 846932, 1058665, 1198970, 2117330, 2397940, 4234660, 9951451, 19902902, 39805804, 49757255, 99514510, 199029020]

約数ペア:

[(1, 199029020), (2, 99514510), (4, 49757255), (5, 39805804), (10, 19902902), (20, 9951451), (47, 4234660), (83, 2397940), (94, 2117330), (166, 1198970), (188, 1058665), (235, 846932), (332, 599485), (415, 479588), (470, 423466), (830, 239794), (940, 211733), (1660, 119897), (2551, 78020), (3901, 51020), (5102, 39010), (7802, 25510), (10204, 19505), (12755, 15604)]