2017503920

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{345463}}^1$

素因数の和:345549

約数の個数: 40

約数和(自身を含む): 4754966496

約数和(自身を除く): 2737462576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 345463, 690926, 1381852, 1727315, 2763704, 3454630, 5527408, 6909260, 13818520, 25218799, 27637040, 50437598, 100875196, 126093995, 201750392, 252187990, 403500784, 504375980, 1008751960, 2017503920]

約数ペア:

[(1, 2017503920), (2, 1008751960), (4, 504375980), (5, 403500784), (8, 252187990), (10, 201750392), (16, 126093995), (20, 100875196), (40, 50437598), (73, 27637040), (80, 25218799), (146, 13818520), (292, 6909260), (365, 5527408), (584, 3454630), (730, 2763704), (1168, 1727315), (1460, 1381852), (2920, 690926), (5840, 345463)]