28396970

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{487}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 63244800

約数和(自身を除く): 34847830

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 343, 487, 490, 595, 686, 833, 974, 1190, 1666, 1715, 2435, 3409, 3430, 4165, 4870, 5831, 6818, 8279, 8330, 11662, 16558, 17045, 23863, 29155, 34090, 41395, 47726, 57953, 58310, 82790, 115906, 119315, 167041, 238630, 289765, 334082, 405671, 579530, 811342, 835205, 1670410, 2028355, 2839697, 4056710, 5679394, 14198485, 28396970]

約数ペア:

[(1, 28396970), (2, 14198485), (5, 5679394), (7, 4056710), (10, 2839697), (14, 2028355), (17, 1670410), (34, 835205), (35, 811342), (49, 579530), (70, 405671), (85, 334082), (98, 289765), (119, 238630), (170, 167041), (238, 119315), (245, 115906), (343, 82790), (487, 58310), (490, 57953), (595, 47726), (686, 41395), (833, 34090), (974, 29155), (1190, 23863), (1666, 17045), (1715, 16558), (2435, 11662), (3409, 8330), (3430, 8279), (4165, 6818), (4870, 5831)]