1315674440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{17789}}^1$

素因数の和:17886

約数の個数: 48

約数和(自身を含む): 3030882300

約数和(自身を除く): 1715207860

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1849, 3698, 7396, 9245, 14792, 17789, 18490, 35578, 36980, 71156, 73960, 88945, 142312, 177890, 355780, 711560, 764927, 1529854, 3059708, 3824635, 6119416, 7649270, 15298540, 30597080, 32891861, 65783722, 131567444, 164459305, 263134888, 328918610, 657837220, 1315674440]

約数ペア:

[(1, 1315674440), (2, 657837220), (4, 328918610), (5, 263134888), (8, 164459305), (10, 131567444), (20, 65783722), (40, 32891861), (43, 30597080), (86, 15298540), (172, 7649270), (215, 6119416), (344, 3824635), (430, 3059708), (860, 1529854), (1720, 764927), (1849, 711560), (3698, 355780), (7396, 177890), (9245, 142312), (14792, 88945), (17789, 73960), (18490, 71156), (35578, 36980)]