87085900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4657}}^1$

素因数の和:4699

約数の個数: 72

約数和(自身を含む): 218329776

約数和(自身を除く): 131243876

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 1100, 1700, 1870, 3740, 4657, 4675, 9314, 9350, 18628, 18700, 23285, 46570, 51227, 79169, 93140, 102454, 116425, 158338, 204908, 232850, 256135, 316676, 395845, 465700, 512270, 791690, 870859, 1024540, 1280675, 1583380, 1741718, 1979225, 2561350, 3483436, 3958450, 4354295, 5122700, 7916900, 8708590, 17417180, 21771475, 43542950, 87085900]

約数ペア:

[(1, 87085900), (2, 43542950), (4, 21771475), (5, 17417180), (10, 8708590), (11, 7916900), (17, 5122700), (20, 4354295), (22, 3958450), (25, 3483436), (34, 2561350), (44, 1979225), (50, 1741718), (55, 1583380), (68, 1280675), (85, 1024540), (100, 870859), (110, 791690), (170, 512270), (187, 465700), (220, 395845), (275, 316676), (340, 256135), (374, 232850), (425, 204908), (550, 158338), (748, 116425), (850, 102454), (935, 93140), (1100, 79169), (1700, 51227), (1870, 46570), (3740, 23285), (4657, 18700), (4675, 18628), (9314, 9350)]