156955330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{320317}}^1$

素因数の和:320338

約数の個数: 24

約数和(自身を含む): 328646268

約数和(自身を除く): 171690938

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 320317, 640634, 1601585, 2242219, 3203170, 4484438, 11211095, 15695533, 22422190, 31391066, 78477665, 156955330]

約数ペア:

[(1, 156955330), (2, 78477665), (5, 31391066), (7, 22422190), (10, 15695533), (14, 11211095), (35, 4484438), (49, 3203170), (70, 2242219), (98, 1601585), (245, 640634), (490, 320317)]