129030920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1009}}^1$

素因数の和:1182

約数の個数: 64

約数和(自身を含む): 305424000

約数和(自身を除く): 176393080

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1009, 1112, 1390, 2018, 2780, 3197, 4036, 5045, 5560, 6394, 8072, 10090, 12788, 15985, 20180, 23207, 25576, 31970, 40360, 46414, 63940, 92828, 116035, 127880, 140251, 185656, 232070, 280502, 464140, 561004, 701255, 928280, 1122008, 1402510, 2805020, 3225773, 5610040, 6451546, 12903092, 16128865, 25806184, 32257730, 64515460, 129030920]

約数ペア:

[(1, 129030920), (2, 64515460), (4, 32257730), (5, 25806184), (8, 16128865), (10, 12903092), (20, 6451546), (23, 5610040), (40, 3225773), (46, 2805020), (92, 1402510), (115, 1122008), (139, 928280), (184, 701255), (230, 561004), (278, 464140), (460, 280502), (556, 232070), (695, 185656), (920, 140251), (1009, 127880), (1112, 116035), (1390, 92828), (2018, 63940), (2780, 46414), (3197, 40360), (4036, 31970), (5045, 25576), (5560, 23207), (6394, 20180), (8072, 15985), (10090, 12788)]