1121380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 2681280

約数和(自身を除く): 1559900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 227, 247, 260, 380, 454, 494, 908, 988, 1135, 1235, 2270, 2470, 2951, 4313, 4540, 4940, 5902, 8626, 11804, 14755, 17252, 21565, 29510, 43130, 56069, 59020, 86260, 112138, 224276, 280345, 560690, 1121380]

約数ペア:

[(1, 1121380), (2, 560690), (4, 280345), (5, 224276), (10, 112138), (13, 86260), (19, 59020), (20, 56069), (26, 43130), (38, 29510), (52, 21565), (65, 17252), (76, 14755), (95, 11804), (130, 8626), (190, 5902), (227, 4940), (247, 4540), (260, 4313), (380, 2951), (454, 2470), (494, 2270), (908, 1235), (988, 1135)]