219645530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{9439}}^1$

素因数の和:9638

約数の個数: 32

約数和(自身を含む): 428198400

約数和(自身を除く): 208552870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 358, 895, 1790, 2327, 4654, 9439, 11635, 18878, 23270, 47195, 94390, 122707, 245414, 613535, 1227070, 1689581, 3379162, 8447905, 16895810, 21964553, 43929106, 109822765, 219645530]

約数ペア:

[(1, 219645530), (2, 109822765), (5, 43929106), (10, 21964553), (13, 16895810), (26, 8447905), (65, 3379162), (130, 1689581), (179, 1227070), (358, 613535), (895, 245414), (1790, 122707), (2327, 94390), (4654, 47195), (9439, 23270), (11635, 18878)]