1257156940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{102877}}^1$

素因数の和:102946

約数の個数: 48

約数和(自身を含む): 2903628672

約数和(自身を除く): 1646471732

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, 102877, 205754, 411508, 514385, 1028770, 1337401, 2057540, 2674802, 4835219, 5349604, 6687005, 9670438, 13374010, 19340876, 24176095, 26748020, 48352190, 62857847, 96704380, 125715694, 251431388, 314289235, 628578470, 1257156940]

約数ペア:

[(1, 1257156940), (2, 628578470), (4, 314289235), (5, 251431388), (10, 125715694), (13, 96704380), (20, 62857847), (26, 48352190), (47, 26748020), (52, 24176095), (65, 19340876), (94, 13374010), (130, 9670438), (188, 6687005), (235, 5349604), (260, 4835219), (470, 2674802), (611, 2057540), (940, 1337401), (1222, 1028770), (2444, 514385), (3055, 411508), (6110, 205754), (12220, 102877)]