196640890

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1\times {\mathrm{661}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 360339840

約数和(自身を除く): 163698950

約数列:

[1, 2, 5, 10, 71, 142, 355, 419, 661, 710, 838, 1322, 2095, 3305, 4190, 6610, 29749, 46931, 59498, 93862, 148745, 234655, 276959, 297490, 469310, 553918, 1384795, 2769590, 19664089, 39328178, 98320445, 196640890]

約数ペア:

[(1, 196640890), (2, 98320445), (5, 39328178), (10, 19664089), (71, 2769590), (142, 1384795), (355, 553918), (419, 469310), (661, 297490), (710, 276959), (838, 234655), (1322, 148745), (2095, 93862), (3305, 59498), (4190, 46931), (6610, 29749)]