30571780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89917}}^1$

素因数の和:89943

約数の個数: 24

約数和(自身を含む): 67978008

約数和(自身を除く): 37406228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 89917, 179834, 359668, 449585, 899170, 1528589, 1798340, 3057178, 6114356, 7642945, 15285890, 30571780]

約数ペア:

[(1, 30571780), (2, 15285890), (4, 7642945), (5, 6114356), (10, 3057178), (17, 1798340), (20, 1528589), (34, 899170), (68, 449585), (85, 359668), (170, 179834), (340, 89917)]