156907310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{320219}}^1$

素因数の和:320240

約数の個数: 24

約数和(自身を含む): 328545720

約数和(自身を除く): 171638410

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 320219, 640438, 1601095, 2241533, 3202190, 4483066, 11207665, 15690731, 22415330, 31381462, 78453655, 156907310]

約数ペア:

[(1, 156907310), (2, 78453655), (5, 31381462), (7, 22415330), (10, 15690731), (14, 11207665), (35, 4483066), (49, 3202190), (70, 2241533), (98, 1601095), (245, 640438), (490, 320219)]