219601850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2579}}^1$

素因数の和:2735

約数の個数: 48

約数和(自身を含む): 443409120

約数和(自身を除く): 223807270

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 131, 262, 325, 650, 655, 1310, 1703, 2579, 3275, 3406, 5158, 6550, 8515, 12895, 17030, 25790, 33527, 42575, 64475, 67054, 85150, 128950, 167635, 335270, 337849, 675698, 838175, 1676350, 1689245, 3378490, 4392037, 8446225, 8784074, 16892450, 21960185, 43920370, 109800925, 219601850]

約数ペア:

[(1, 219601850), (2, 109800925), (5, 43920370), (10, 21960185), (13, 16892450), (25, 8784074), (26, 8446225), (50, 4392037), (65, 3378490), (130, 1689245), (131, 1676350), (262, 838175), (325, 675698), (650, 337849), (655, 335270), (1310, 167635), (1703, 128950), (2579, 85150), (3275, 67054), (3406, 64475), (5158, 42575), (6550, 33527), (8515, 25790), (12895, 17030)]