425698975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 620585280

約数和(自身を除く): 194886305

約数列:

[1, 5, 13, 25, 29, 31, 47, 65, 145, 155, 235, 325, 377, 403, 611, 725, 775, 899, 961, 1175, 1363, 1457, 1885, 2015, 3055, 4495, 4805, 6815, 7285, 9425, 10075, 11687, 12493, 15275, 17719, 18941, 22475, 24025, 27869, 34075, 36425, 42253, 45167, 58435, 62465, 88595, 94705, 139345, 211265, 225835, 292175, 312325, 362297, 442975, 473525, 549289, 587171, 696725, 1056325, 1129175, 1309843, 1811485, 2746445, 2935855, 6549215, 9057425, 13732225, 14679275, 17027959, 32746075, 85139795, 425698975]

約数ペア:

[(1, 425698975), (5, 85139795), (13, 32746075), (25, 17027959), (29, 14679275), (31, 13732225), (47, 9057425), (65, 6549215), (145, 2935855), (155, 2746445), (235, 1811485), (325, 1309843), (377, 1129175), (403, 1056325), (611, 696725), (725, 587171), (775, 549289), (899, 473525), (961, 442975), (1175, 362297), (1363, 312325), (1457, 292175), (1885, 225835), (2015, 211265), (3055, 139345), (4495, 94705), (4805, 88595), (6815, 62465), (7285, 58435), (9425, 45167), (10075, 42253), (11687, 36425), (12493, 34075), (15275, 27869), (17719, 24025), (18941, 22475)]