70471240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1054

約数の個数: 64

約数和(自身を含む): 181958400

約数和(自身を除く): 111487160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 647, 778, 1294, 1556, 1945, 2588, 2723, 3112, 3235, 3890, 4529, 5176, 5446, 6470, 7780, 9058, 10892, 12940, 13615, 15560, 18116, 21784, 22645, 25880, 27230, 36232, 45290, 54460, 90580, 108920, 181160, 251683, 503366, 1006732, 1258415, 1761781, 2013464, 2516830, 3523562, 5033660, 7047124, 8808905, 10067320, 14094248, 17617810, 35235620, 70471240]

約数ペア:

[(1, 70471240), (2, 35235620), (4, 17617810), (5, 14094248), (7, 10067320), (8, 8808905), (10, 7047124), (14, 5033660), (20, 3523562), (28, 2516830), (35, 2013464), (40, 1761781), (56, 1258415), (70, 1006732), (140, 503366), (280, 251683), (389, 181160), (647, 108920), (778, 90580), (1294, 54460), (1556, 45290), (1945, 36232), (2588, 27230), (2723, 25880), (3112, 22645), (3235, 21784), (3890, 18116), (4529, 15560), (5176, 13615), (5446, 12940), (6470, 10892), (7780, 9058)]