194619620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18257}}^1$

素因数の和:18320

約数の個数: 48

約数和(自身を含む): 450899568

約数和(自身を除く): 256279948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 18257, 36514, 73028, 91285, 182570, 237341, 365140, 474682, 748537, 949364, 1186705, 1497074, 2373410, 2994148, 3742685, 4746820, 7485370, 9730981, 14970740, 19461962, 38923924, 48654905, 97309810, 194619620]

約数ペア:

[(1, 194619620), (2, 97309810), (4, 48654905), (5, 38923924), (10, 19461962), (13, 14970740), (20, 9730981), (26, 7485370), (41, 4746820), (52, 3742685), (65, 2994148), (82, 2373410), (130, 1497074), (164, 1186705), (205, 949364), (260, 748537), (410, 474682), (533, 365140), (820, 237341), (1066, 182570), (2132, 91285), (2665, 73028), (5330, 36514), (10660, 18257)]