8113420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 21028896

約数和(自身を除く): 12915476

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 487, 490, 595, 833, 974, 980, 1190, 1666, 1948, 2380, 2435, 3332, 3409, 4165, 4870, 6818, 8279, 8330, 9740, 13636, 16558, 16660, 17045, 23863, 33116, 34090, 41395, 47726, 57953, 68180, 82790, 95452, 115906, 119315, 165580, 231812, 238630, 289765, 405671, 477260, 579530, 811342, 1159060, 1622684, 2028355, 4056710, 8113420]

約数ペア:

[(1, 8113420), (2, 4056710), (4, 2028355), (5, 1622684), (7, 1159060), (10, 811342), (14, 579530), (17, 477260), (20, 405671), (28, 289765), (34, 238630), (35, 231812), (49, 165580), (68, 119315), (70, 115906), (85, 95452), (98, 82790), (119, 68180), (140, 57953), (170, 47726), (196, 41395), (238, 34090), (245, 33116), (340, 23863), (476, 17045), (487, 16660), (490, 16558), (595, 13636), (833, 9740), (974, 8330), (980, 8279), (1190, 6818), (1666, 4870), (1948, 4165), (2380, 3409), (2435, 3332)]