2180916830

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1\times {\mathrm{3571}}^1$

素因数の和:4124

約数の個数: 32

約数和(自身を含む): 3961919520

約数和(自身を除く): 1781002690

約数列:

[1, 2, 5, 10, 157, 314, 389, 778, 785, 1570, 1945, 3571, 3890, 7142, 17855, 35710, 61073, 122146, 305365, 560647, 610730, 1121294, 1389119, 2778238, 2803235, 5606470, 6945595, 13891190, 218091683, 436183366, 1090458415, 2180916830]

約数ペア:

[(1, 2180916830), (2, 1090458415), (5, 436183366), (10, 218091683), (157, 13891190), (314, 6945595), (389, 5606470), (778, 2803235), (785, 2778238), (1570, 1389119), (1945, 1121294), (3571, 610730), (3890, 560647), (7142, 305365), (17855, 122146), (35710, 61073)]