153953240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{549833}}^1$

素因数の和:549851

約数の個数: 32

約数和(自身を含む): 395880480

約数和(自身を除く): 241927240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 549833, 1099666, 2199332, 2749165, 3848831, 4398664, 5498330, 7697662, 10996660, 15395324, 19244155, 21993320, 30790648, 38488310, 76976620, 153953240]

約数ペア:

[(1, 153953240), (2, 76976620), (4, 38488310), (5, 30790648), (7, 21993320), (8, 19244155), (10, 15395324), (14, 10996660), (20, 7697662), (28, 5498330), (35, 4398664), (40, 3848831), (56, 2749165), (70, 2199332), (140, 1099666), (280, 549833)]