7974490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^2$

素因数の和:139

約数の個数: 36

約数和(自身を含む): 15478506

約数和(自身を除く): 7504016

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 361, 470, 722, 893, 1786, 1805, 2209, 3610, 4418, 4465, 8930, 11045, 16967, 22090, 33934, 41971, 83942, 84835, 169670, 209855, 419710, 797449, 1594898, 3987245, 7974490]

約数ペア:

[(1, 7974490), (2, 3987245), (5, 1594898), (10, 797449), (19, 419710), (38, 209855), (47, 169670), (94, 84835), (95, 83942), (190, 41971), (235, 33934), (361, 22090), (470, 16967), (722, 11045), (893, 8930), (1786, 4465), (1805, 4418), (2209, 3610)]