82790980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 184020480

約数和(自身を除く): 101229500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 223, 380, 446, 892, 977, 1115, 1954, 2230, 3908, 4237, 4460, 4885, 8474, 9770, 16948, 18563, 19540, 21185, 37126, 42370, 74252, 84740, 92815, 185630, 217871, 371260, 435742, 871484, 1089355, 2178710, 4139549, 4357420, 8279098, 16558196, 20697745, 41395490, 82790980]

約数ペア:

[(1, 82790980), (2, 41395490), (4, 20697745), (5, 16558196), (10, 8279098), (19, 4357420), (20, 4139549), (38, 2178710), (76, 1089355), (95, 871484), (190, 435742), (223, 371260), (380, 217871), (446, 185630), (892, 92815), (977, 84740), (1115, 74252), (1954, 42370), (2230, 37126), (3908, 21185), (4237, 19540), (4460, 18563), (4885, 16948), (8474, 9770)]