204098680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 470059200

約数和(自身を除く): 265960520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 233, 244, 305, 359, 466, 488, 610, 718, 932, 1165, 1220, 1436, 1795, 1864, 2330, 2440, 2872, 3590, 4660, 7180, 9320, 14213, 14360, 21899, 28426, 43798, 56852, 71065, 83647, 87596, 109495, 113704, 142130, 167294, 175192, 218990, 284260, 334588, 418235, 437980, 568520, 669176, 836470, 875960, 1672940, 3345880, 5102467, 10204934, 20409868, 25512335, 40819736, 51024670, 102049340, 204098680]

約数ペア:

[(1, 204098680), (2, 102049340), (4, 51024670), (5, 40819736), (8, 25512335), (10, 20409868), (20, 10204934), (40, 5102467), (61, 3345880), (122, 1672940), (233, 875960), (244, 836470), (305, 669176), (359, 568520), (466, 437980), (488, 418235), (610, 334588), (718, 284260), (932, 218990), (1165, 175192), (1220, 167294), (1436, 142130), (1795, 113704), (1864, 109495), (2330, 87596), (2440, 83647), (2872, 71065), (3590, 56852), (4660, 43798), (7180, 28426), (9320, 21899), (14213, 14360)]