420123365

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 529666560

約数和(自身を除く): 109543195

約数列:

[1, 5, 47, 59, 157, 193, 235, 295, 785, 965, 2773, 7379, 9071, 9263, 11387, 13865, 30301, 36895, 45355, 46315, 56935, 151505, 435361, 535189, 1424147, 1787759, 2176805, 2675945, 7120735, 8938795, 84024673, 420123365]

約数ペア:

[(1, 420123365), (5, 84024673), (47, 8938795), (59, 7120735), (157, 2675945), (193, 2176805), (235, 1787759), (295, 1424147), (785, 535189), (965, 435361), (2773, 151505), (7379, 56935), (9071, 46315), (9263, 45355), (11387, 36895), (13865, 30301)]