64375990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 141120000

約数和(自身を除く): 76744010

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 97, 133, 190, 194, 266, 485, 499, 665, 679, 970, 998, 1330, 1358, 1843, 2495, 3395, 3493, 3686, 4990, 6790, 6986, 9215, 9481, 12901, 17465, 18430, 18962, 25802, 34930, 47405, 48403, 64505, 66367, 94810, 96806, 129010, 132734, 242015, 331835, 338821, 484030, 663670, 677642, 919657, 1694105, 1839314, 3388210, 4598285, 6437599, 9196570, 12875198, 32187995, 64375990]

約数ペア:

[(1, 64375990), (2, 32187995), (5, 12875198), (7, 9196570), (10, 6437599), (14, 4598285), (19, 3388210), (35, 1839314), (38, 1694105), (70, 919657), (95, 677642), (97, 663670), (133, 484030), (190, 338821), (194, 331835), (266, 242015), (485, 132734), (499, 129010), (665, 96806), (679, 94810), (970, 66367), (998, 64505), (1330, 48403), (1358, 47405), (1843, 34930), (2495, 25802), (3395, 18962), (3493, 18430), (3686, 17465), (4990, 12901), (6790, 9481), (6986, 9215)]