231678980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{18959}}^1$

素因数の和:19028

約数の個数: 48

約数和(自身を含む): 535127040

約数和(自身を除く): 303448060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 18959, 37918, 75836, 94795, 189590, 246467, 379180, 492934, 891073, 985868, 1232335, 1782146, 2464670, 3564292, 4455365, 4929340, 8910730, 11583949, 17821460, 23167898, 46335796, 57919745, 115839490, 231678980]

約数ペア:

[(1, 231678980), (2, 115839490), (4, 57919745), (5, 46335796), (10, 23167898), (13, 17821460), (20, 11583949), (26, 8910730), (47, 4929340), (52, 4455365), (65, 3564292), (94, 2464670), (130, 1782146), (188, 1232335), (235, 985868), (260, 891073), (470, 492934), (611, 379180), (940, 246467), (1222, 189590), (2444, 94795), (3055, 75836), (6110, 37918), (12220, 18959)]