128504740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70607}}^1$

素因数の和:70636

約数の個数: 48

約数和(自身を含む): 332140032

約数和(自身を除く): 203635292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 70607, 141214, 282428, 353035, 494249, 706070, 917891, 988498, 1412140, 1835782, 1976996, 2471245, 3671564, 4589455, 4942490, 6425237, 9178910, 9884980, 12850474, 18357820, 25700948, 32126185, 64252370, 128504740]

約数ペア:

[(1, 128504740), (2, 64252370), (4, 32126185), (5, 25700948), (7, 18357820), (10, 12850474), (13, 9884980), (14, 9178910), (20, 6425237), (26, 4942490), (28, 4589455), (35, 3671564), (52, 2471245), (65, 1976996), (70, 1835782), (91, 1412140), (130, 988498), (140, 917891), (182, 706070), (260, 494249), (364, 353035), (455, 282428), (910, 141214), (1820, 70607)]