159833980

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 341288640

約数和(自身を除く): 181454660

約数列:

[1, 2, 4, 5, 10, 20, 113, 197, 226, 359, 394, 452, 565, 718, 788, 985, 1130, 1436, 1795, 1970, 2260, 3590, 3940, 7180, 22261, 40567, 44522, 70723, 81134, 89044, 111305, 141446, 162268, 202835, 222610, 282892, 353615, 405670, 445220, 707230, 811340, 1414460, 7991699, 15983398, 31966796, 39958495, 79916990, 159833980]

約数ペア:

[(1, 159833980), (2, 79916990), (4, 39958495), (5, 31966796), (10, 15983398), (20, 7991699), (113, 1414460), (197, 811340), (226, 707230), (359, 445220), (394, 405670), (452, 353615), (565, 282892), (718, 222610), (788, 202835), (985, 162268), (1130, 141446), (1436, 111305), (1795, 89044), (1970, 81134), (2260, 70723), (3590, 44522), (3940, 40567), (7180, 22261)]