2878889320

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{985921}}^1$

素因数の和:986005

約数の個数: 32

約数和(自身を含む): 6566240520

約数和(自身を除く): 3687351200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 985921, 1971842, 3943684, 4929605, 7887368, 9859210, 19718420, 39436840, 71972233, 143944466, 287888932, 359861165, 575777864, 719722330, 1439444660, 2878889320]

約数ペア:

[(1, 2878889320), (2, 1439444660), (4, 719722330), (5, 575777864), (8, 359861165), (10, 287888932), (20, 143944466), (40, 71972233), (73, 39436840), (146, 19718420), (292, 9859210), (365, 7887368), (584, 4929605), (730, 3943684), (1460, 1971842), (2920, 985921)]