208090090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{84247}}^1$

素因数の和:84286

約数の個数: 32

約数和(自身を含む): 424609920

約数和(自身を除く): 216519830

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 84247, 168494, 421235, 842470, 1095211, 1600693, 2190422, 3201386, 5476055, 8003465, 10952110, 16006930, 20809009, 41618018, 104045045, 208090090]

約数ペア:

[(1, 208090090), (2, 104045045), (5, 41618018), (10, 20809009), (13, 16006930), (19, 10952110), (26, 8003465), (38, 5476055), (65, 3201386), (95, 2190422), (130, 1600693), (190, 1095211), (247, 842470), (494, 421235), (1235, 168494), (2470, 84247)]