216130760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{174299}}^1$

素因数の和:174341

約数の個数: 32

約数和(自身を含む): 501984000

約数和(自身を除く): 285853240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 174299, 348598, 697196, 871495, 1394392, 1742990, 3485980, 5403269, 6971960, 10806538, 21613076, 27016345, 43226152, 54032690, 108065380, 216130760]

約数ペア:

[(1, 216130760), (2, 108065380), (4, 54032690), (5, 43226152), (8, 27016345), (10, 21613076), (20, 10806538), (31, 6971960), (40, 5403269), (62, 3485980), (124, 1742990), (155, 1394392), (248, 871495), (310, 697196), (620, 348598), (1240, 174299)]