631819100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{613}}^1\times {\mathrm{937}}^1$

素因数の和:1575

約数の個数: 72

約数和(自身を含む): 1499726928

約数和(自身を除く): 867907828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 613, 937, 1100, 1226, 1874, 2452, 3065, 3748, 4685, 6130, 6743, 9370, 10307, 12260, 13486, 15325, 18740, 20614, 23425, 26972, 30650, 33715, 41228, 46850, 51535, 61300, 67430, 93700, 103070, 134860, 168575, 206140, 257675, 337150, 515350, 574381, 674300, 1030700, 1148762, 2297524, 2871905, 5743810, 6318191, 11487620, 12636382, 14359525, 25272764, 28719050, 31590955, 57438100, 63181910, 126363820, 157954775, 315909550, 631819100]

約数ペア:

[(1, 631819100), (2, 315909550), (4, 157954775), (5, 126363820), (10, 63181910), (11, 57438100), (20, 31590955), (22, 28719050), (25, 25272764), (44, 14359525), (50, 12636382), (55, 11487620), (100, 6318191), (110, 5743810), (220, 2871905), (275, 2297524), (550, 1148762), (613, 1030700), (937, 674300), (1100, 574381), (1226, 515350), (1874, 337150), (2452, 257675), (3065, 206140), (3748, 168575), (4685, 134860), (6130, 103070), (6743, 93700), (9370, 67430), (10307, 61300), (12260, 51535), (13486, 46850), (15325, 41228), (18740, 33715), (20614, 30650), (23425, 26972)]