172645700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1689

約数の個数: 72

約数和(自身を含む): 398281800

約数和(自身を除く): 225636100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 37, 50, 58, 74, 100, 116, 145, 148, 185, 290, 370, 580, 725, 740, 925, 1073, 1450, 1609, 1850, 2146, 2900, 3218, 3700, 4292, 5365, 6436, 8045, 10730, 16090, 21460, 26825, 32180, 40225, 46661, 53650, 59533, 80450, 93322, 107300, 119066, 160900, 186644, 233305, 238132, 297665, 466610, 595330, 933220, 1166525, 1190660, 1488325, 1726457, 2333050, 2976650, 3452914, 4666100, 5953300, 6905828, 8632285, 17264570, 34529140, 43161425, 86322850, 172645700]

約数ペア:

[(1, 172645700), (2, 86322850), (4, 43161425), (5, 34529140), (10, 17264570), (20, 8632285), (25, 6905828), (29, 5953300), (37, 4666100), (50, 3452914), (58, 2976650), (74, 2333050), (100, 1726457), (116, 1488325), (145, 1190660), (148, 1166525), (185, 933220), (290, 595330), (370, 466610), (580, 297665), (725, 238132), (740, 233305), (925, 186644), (1073, 160900), (1450, 119066), (1609, 107300), (1850, 93322), (2146, 80450), (2900, 59533), (3218, 53650), (3700, 46661), (4292, 40225), (5365, 32180), (6436, 26825), (8045, 21460), (10730, 16090)]