128576450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 248138880

約数和(自身を除く): 119562430

約数列:

[1, 2, 5, 10, 25, 43, 50, 79, 86, 158, 215, 395, 430, 757, 790, 1075, 1514, 1975, 2150, 3397, 3785, 3950, 6794, 7570, 16985, 18925, 32551, 33970, 37850, 59803, 65102, 84925, 119606, 162755, 169850, 299015, 325510, 598030, 813775, 1495075, 1627550, 2571529, 2990150, 5143058, 12857645, 25715290, 64288225, 128576450]

約数ペア:

[(1, 128576450), (2, 64288225), (5, 25715290), (10, 12857645), (25, 5143058), (43, 2990150), (50, 2571529), (79, 1627550), (86, 1495075), (158, 813775), (215, 598030), (395, 325510), (430, 299015), (757, 169850), (790, 162755), (1075, 119606), (1514, 84925), (1975, 65102), (2150, 59803), (3397, 37850), (3785, 33970), (3950, 32551), (6794, 18925), (7570, 16985)]