1915708212980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{8357509}}^1$

素因数の和:8357748

約数の個数: 48

約数和(自身を含む): 4104072290640

約数和(自身を除く): 2188364077660

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 157, 292, 314, 365, 628, 730, 785, 1460, 1570, 3140, 11461, 22922, 45844, 57305, 114610, 229220, 8357509, 16715018, 33430036, 41787545, 83575090, 167150180, 610098157, 1220196314, 1312128913, 2440392628, 2624257826, 3050490785, 5248515652, 6100981570, 6560644565, 12201963140, 13121289130, 26242578260, 95785410649, 191570821298, 383141642596, 478927053245, 957854106490, 1915708212980]

約数ペア:

[(1, 1915708212980), (2, 957854106490), (4, 478927053245), (5, 383141642596), (10, 191570821298), (20, 95785410649), (73, 26242578260), (146, 13121289130), (157, 12201963140), (292, 6560644565), (314, 6100981570), (365, 5248515652), (628, 3050490785), (730, 2624257826), (785, 2440392628), (1460, 1312128913), (1570, 1220196314), (3140, 610098157), (11461, 167150180), (22922, 83575090), (45844, 41787545), (57305, 33430036), (114610, 16715018), (229220, 8357509)]