99912680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{356831}}^1$

素因数の和:356849

約数の個数: 32

約数和(自身を含む): 256919040

約数和(自身を除く): 157006360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 356831, 713662, 1427324, 1784155, 2497817, 2854648, 3568310, 4995634, 7136620, 9991268, 12489085, 14273240, 19982536, 24978170, 49956340, 99912680]

約数ペア:

[(1, 99912680), (2, 49956340), (4, 24978170), (5, 19982536), (7, 14273240), (8, 12489085), (10, 9991268), (14, 7136620), (20, 4995634), (28, 3568310), (35, 2854648), (40, 2497817), (56, 1784155), (70, 1427324), (140, 713662), (280, 356831)]