138957780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{178151}}^1$

素因数の和:178176

約数の個数: 48

約数和(自身を含む): 419013504

約数和(自身を除く): 280055724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 178151, 356302, 534453, 712604, 890755, 1068906, 1781510, 2137812, 2315963, 2672265, 3563020, 4631926, 5344530, 6947889, 9263852, 10689060, 11579815, 13895778, 23159630, 27791556, 34739445, 46319260, 69478890, 138957780]

約数ペア:

[(1, 138957780), (2, 69478890), (3, 46319260), (4, 34739445), (5, 27791556), (6, 23159630), (10, 13895778), (12, 11579815), (13, 10689060), (15, 9263852), (20, 6947889), (26, 5344530), (30, 4631926), (39, 3563020), (52, 2672265), (60, 2315963), (65, 2137812), (78, 1781510), (130, 1068906), (156, 890755), (195, 712604), (260, 534453), (390, 356302), (780, 178151)]