175557980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{39719}}^1$

素因数の和:39758

約数の個数: 48

約数和(自身を含む): 420396480

約数和(自身を除く): 244838500

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, 39719, 79438, 158876, 198595, 397190, 516347, 675223, 794380, 1032694, 1350446, 2065388, 2581735, 2700892, 3376115, 5163470, 6752230, 8777899, 10326940, 13504460, 17555798, 35111596, 43889495, 87778990, 175557980]

約数ペア:

[(1, 175557980), (2, 87778990), (4, 43889495), (5, 35111596), (10, 17555798), (13, 13504460), (17, 10326940), (20, 8777899), (26, 6752230), (34, 5163470), (52, 3376115), (65, 2700892), (68, 2581735), (85, 2065388), (130, 1350446), (170, 1032694), (221, 794380), (260, 675223), (340, 516347), (442, 397190), (884, 198595), (1105, 158876), (2210, 79438), (4420, 39719)]