780928775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 1108643328

約数和(自身を除く): 327714553

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 311, 397, 575, 1265, 1555, 1985, 3421, 4367, 6325, 7153, 7775, 9131, 9925, 17105, 21835, 35765, 45655, 78683, 85525, 100441, 109175, 123467, 178825, 228275, 393415, 502205, 617335, 1358137, 1967075, 2511025, 2839741, 3086675, 6790685, 14198705, 31237151, 33953425, 70993525, 156185755, 780928775]

約数ペア:

[(1, 780928775), (5, 156185755), (11, 70993525), (23, 33953425), (25, 31237151), (55, 14198705), (115, 6790685), (253, 3086675), (275, 2839741), (311, 2511025), (397, 1967075), (575, 1358137), (1265, 617335), (1555, 502205), (1985, 393415), (3421, 228275), (4367, 178825), (6325, 123467), (7153, 109175), (7775, 100441), (9131, 85525), (9925, 78683), (17105, 45655), (21835, 35765)]