217872470

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{1459}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 398930400

約数和(自身を除く): 181057930

約数列:

[1, 2, 5, 10, 109, 137, 218, 274, 545, 685, 1090, 1370, 1459, 2918, 7295, 14590, 14933, 29866, 74665, 149330, 159031, 199883, 318062, 399766, 795155, 999415, 1590310, 1998830, 21787247, 43574494, 108936235, 217872470]

約数ペア:

[(1, 217872470), (2, 108936235), (5, 43574494), (10, 21787247), (109, 1998830), (137, 1590310), (218, 999415), (274, 795155), (545, 399766), (685, 318062), (1090, 199883), (1370, 159031), (1459, 149330), (2918, 74665), (7295, 29866), (14590, 14933)]