28100142100

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{31513}}^1$

素因数の和:31805

約数の個数: 72

約数和(自身を含む): 62887195448

約数和(自身を除く): 34787053348

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 241, 370, 482, 740, 925, 964, 1205, 1850, 2410, 3700, 4820, 6025, 8917, 12050, 17834, 24100, 31513, 35668, 44585, 63026, 89170, 126052, 157565, 178340, 222925, 315130, 445850, 630260, 787825, 891700, 1165981, 1575650, 2331962, 3151300, 4663924, 5829905, 7594633, 11659810, 15189266, 23319620, 29149525, 30378532, 37973165, 58299050, 75946330, 116598100, 151892660, 189865825, 281001421, 379731650, 562002842, 759463300, 1124005684, 1405007105, 2810014210, 5620028420, 7025035525, 14050071050, 28100142100]

約数ペア:

[(1, 28100142100), (2, 14050071050), (4, 7025035525), (5, 5620028420), (10, 2810014210), (20, 1405007105), (25, 1124005684), (37, 759463300), (50, 562002842), (74, 379731650), (100, 281001421), (148, 189865825), (185, 151892660), (241, 116598100), (370, 75946330), (482, 58299050), (740, 37973165), (925, 30378532), (964, 29149525), (1205, 23319620), (1850, 15189266), (2410, 11659810), (3700, 7594633), (4820, 5829905), (6025, 4663924), (8917, 3151300), (12050, 2331962), (17834, 1575650), (24100, 1165981), (31513, 891700), (35668, 787825), (44585, 630260), (63026, 445850), (89170, 315130), (126052, 222925), (157565, 178340)]