81363100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8941}}^1$

素因数の和:8975

約数の個数: 72

約数和(自身を含む): 217326368

約数和(自身を除く): 135963268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 8941, 9100, 17882, 35764, 44705, 62587, 89410, 116233, 125174, 178820, 223525, 232466, 250348, 312935, 447050, 464932, 581165, 625870, 813631, 894100, 1162330, 1251740, 1564675, 1627262, 2324660, 2905825, 3129350, 3254524, 4068155, 5811650, 6258700, 8136310, 11623300, 16272620, 20340775, 40681550, 81363100]

約数ペア:

[(1, 81363100), (2, 40681550), (4, 20340775), (5, 16272620), (7, 11623300), (10, 8136310), (13, 6258700), (14, 5811650), (20, 4068155), (25, 3254524), (26, 3129350), (28, 2905825), (35, 2324660), (50, 1627262), (52, 1564675), (65, 1251740), (70, 1162330), (91, 894100), (100, 813631), (130, 625870), (140, 581165), (175, 464932), (182, 447050), (260, 312935), (325, 250348), (350, 232466), (364, 223525), (455, 178820), (650, 125174), (700, 116233), (910, 89410), (1300, 62587), (1820, 44705), (2275, 35764), (4550, 17882), (8941, 9100)]