179933780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{40709}}^1$

素因数の和:40748

約数の個数: 48

約数和(自身を含む): 430874640

約数和(自身を除く): 250940860

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 40709, 81418, 162836, 203545, 407090, 529217, 692053, 814180, 1058434, 1384106, 2116868, 2646085, 2768212, 3460265, 5292170, 6920530, 8996689, 10584340, 13841060, 17993378, 35986756, 44983445, 89966890, 179933780]

約数ペア:

[(1, 179933780), (2, 89966890), (4, 44983445), (5, 35986756), (10, 17993378), (13, 13841060), (17, 10584340), (20, 8996689), (26, 6920530), (34, 5292170), (52, 3460265), (65, 2768212), (68, 2646085), (85, 2116868), (130, 1384106), (170, 1058434), (221, 814180), (260, 692053), (340, 529217), (442, 407090), (884, 203545), (1105, 162836), (2210, 81418), (4420, 40709)]