309522460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{6043}}^1$

素因数の和:6262

約数の個数: 48

約数和(自身を含む): 703666656

約数和(自身を除く): 394144196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 788, 985, 1970, 2561, 3940, 5122, 6043, 10244, 12086, 12805, 24172, 25610, 30215, 51220, 60430, 78559, 120860, 157118, 314236, 392795, 785590, 1190471, 1571180, 2380942, 4761884, 5952355, 11904710, 15476123, 23809420, 30952246, 61904492, 77380615, 154761230, 309522460]

約数ペア:

[(1, 309522460), (2, 154761230), (4, 77380615), (5, 61904492), (10, 30952246), (13, 23809420), (20, 15476123), (26, 11904710), (52, 5952355), (65, 4761884), (130, 2380942), (197, 1571180), (260, 1190471), (394, 785590), (788, 392795), (985, 314236), (1970, 157118), (2561, 120860), (3940, 78559), (5122, 60430), (6043, 51220), (10244, 30215), (12086, 25610), (12805, 24172)]