70578820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{769}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 160277040

約数和(自身を除く): 89698220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 353, 706, 769, 1412, 1538, 1765, 3076, 3530, 3845, 4589, 7060, 7690, 9178, 9997, 15380, 18356, 19994, 22945, 39988, 45890, 49985, 91780, 99970, 199940, 271457, 542914, 1085828, 1357285, 2714570, 3528941, 5429140, 7057882, 14115764, 17644705, 35289410, 70578820]

約数ペア:

[(1, 70578820), (2, 35289410), (4, 17644705), (5, 14115764), (10, 7057882), (13, 5429140), (20, 3528941), (26, 2714570), (52, 1357285), (65, 1085828), (130, 542914), (260, 271457), (353, 199940), (706, 99970), (769, 91780), (1412, 49985), (1538, 45890), (1765, 39988), (3076, 22945), (3530, 19994), (3845, 18356), (4589, 15380), (7060, 9997), (7690, 9178)]