379707640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4651}}^1$

素因数の和:4832

約数の個数: 64

約数和(自身を含む): 926120160

約数和(自身を除く): 546412520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1570, 2041, 3140, 4082, 4651, 6280, 8164, 9302, 10205, 16328, 18604, 20410, 23255, 37208, 40820, 46510, 60463, 81640, 93020, 120926, 186040, 241852, 302315, 483704, 604630, 730207, 1209260, 1460414, 2418520, 2920828, 3651035, 5841656, 7302070, 9492691, 14604140, 18985382, 29208280, 37970764, 47463455, 75941528, 94926910, 189853820, 379707640]

約数ペア:

[(1, 379707640), (2, 189853820), (4, 94926910), (5, 75941528), (8, 47463455), (10, 37970764), (13, 29208280), (20, 18985382), (26, 14604140), (40, 9492691), (52, 7302070), (65, 5841656), (104, 3651035), (130, 2920828), (157, 2418520), (260, 1460414), (314, 1209260), (520, 730207), (628, 604630), (785, 483704), (1256, 302315), (1570, 241852), (2041, 186040), (3140, 120926), (4082, 93020), (4651, 81640), (6280, 60463), (8164, 46510), (9302, 40820), (10205, 37208), (16328, 23255), (18604, 20410)]