90993560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324977}}^1$

素因数の和:324995

約数の個数: 32

約数和(自身を含む): 233984160

約数和(自身を除く): 142990600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324977, 649954, 1299908, 1624885, 2274839, 2599816, 3249770, 4549678, 6499540, 9099356, 11374195, 12999080, 18198712, 22748390, 45496780, 90993560]

約数ペア:

[(1, 90993560), (2, 45496780), (4, 22748390), (5, 18198712), (7, 12999080), (8, 11374195), (10, 9099356), (14, 6499540), (20, 4549678), (28, 3249770), (35, 2599816), (40, 2274839), (56, 1624885), (70, 1299908), (140, 649954), (280, 324977)]