391558140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2175323}}^1$

素因数の和:2175338

約数の個数: 36

約数和(自身を含む): 1187726904

約数和(自身を除く): 796168764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2175323, 4350646, 6525969, 8701292, 10876615, 13051938, 19577907, 21753230, 26103876, 32629845, 39155814, 43506460, 65259690, 78311628, 97889535, 130519380, 195779070, 391558140]

約数ペア:

[(1, 391558140), (2, 195779070), (3, 130519380), (4, 97889535), (5, 78311628), (6, 65259690), (9, 43506460), (10, 39155814), (12, 32629845), (15, 26103876), (18, 21753230), (20, 19577907), (30, 13051938), (36, 10876615), (45, 8701292), (60, 6525969), (90, 4350646), (180, 2175323)]