2017371455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 2851200000

約数和(自身を除く): 833828545

約数列:

[1, 5, 11, 19, 55, 89, 95, 109, 199, 209, 445, 545, 979, 995, 1045, 1199, 1691, 2071, 2189, 3781, 4895, 5995, 8455, 9701, 10355, 10945, 17711, 18601, 18905, 21691, 22781, 41591, 48505, 88555, 93005, 106711, 108455, 113905, 184319, 194821, 207955, 238601, 336509, 412129, 533555, 921595, 974105, 1193005, 1682545, 1930499, 2027509, 2060645, 3701599, 4533419, 9652495, 10137545, 18507995, 21235489, 22667095, 36679481, 106177445, 183397405, 403474291, 2017371455]

約数ペア:

[(1, 2017371455), (5, 403474291), (11, 183397405), (19, 106177445), (55, 36679481), (89, 22667095), (95, 21235489), (109, 18507995), (199, 10137545), (209, 9652495), (445, 4533419), (545, 3701599), (979, 2060645), (995, 2027509), (1045, 1930499), (1199, 1682545), (1691, 1193005), (2071, 974105), (2189, 921595), (3781, 533555), (4895, 412129), (5995, 336509), (8455, 238601), (9701, 207955), (10355, 194821), (10945, 184319), (17711, 113905), (18601, 108455), (18905, 106711), (21691, 93005), (22781, 88555), (41591, 48505)]