236445820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21149}}^1$

素因数の和:21214

約数の個数: 48

約数和(自身を含む): 547192800

約数和(自身を除く): 310746980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 21149, 42298, 84596, 105745, 211490, 274937, 422980, 549874, 909407, 1099748, 1374685, 1818814, 2749370, 3637628, 4547035, 5498740, 9094070, 11822291, 18188140, 23644582, 47289164, 59111455, 118222910, 236445820]

約数ペア:

[(1, 236445820), (2, 118222910), (4, 59111455), (5, 47289164), (10, 23644582), (13, 18188140), (20, 11822291), (26, 9094070), (43, 5498740), (52, 4547035), (65, 3637628), (86, 2749370), (130, 1818814), (172, 1374685), (215, 1099748), (260, 909407), (430, 549874), (559, 422980), (860, 274937), (1118, 211490), (2236, 105745), (2795, 84596), (5590, 42298), (11180, 21149)]