130321240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{465433}}^1$

素因数の和:465451

約数の個数: 32

約数和(自身を含む): 335112480

約数和(自身を除く): 204791240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 465433, 930866, 1861732, 2327165, 3258031, 3723464, 4654330, 6516062, 9308660, 13032124, 16290155, 18617320, 26064248, 32580310, 65160620, 130321240]

約数ペア:

[(1, 130321240), (2, 65160620), (4, 32580310), (5, 26064248), (7, 18617320), (8, 16290155), (10, 13032124), (14, 9308660), (20, 6516062), (28, 4654330), (35, 3723464), (40, 3258031), (56, 2327165), (70, 1861732), (140, 930866), (280, 465433)]