719450240

素因数分解:

$2^7\times 5^1\times {\mathrm{1124141}}^1$

素因数の和:1124160

約数の個数: 32

約数和(自身を含む): 1719937260

約数和(自身を除く): 1000487020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1124141, 2248282, 4496564, 5620705, 8993128, 11241410, 17986256, 22482820, 35972512, 44965640, 71945024, 89931280, 143890048, 179862560, 359725120, 719450240]

約数ペア:

[(1, 719450240), (2, 359725120), (4, 179862560), (5, 143890048), (8, 89931280), (10, 71945024), (16, 44965640), (20, 35972512), (32, 22482820), (40, 17986256), (64, 11241410), (80, 8993128), (128, 5620705), (160, 4496564), (320, 2248282), (640, 1124141)]