7242666520

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1\times {\mathrm{2437}}^1$

素因数の和:3028

約数の個数: 64

約数和(自身を含む): 16430169600

約数和(自身を除く): 9187503080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 389, 764, 778, 955, 1528, 1556, 1910, 1945, 2437, 3112, 3820, 3890, 4874, 7640, 7780, 9748, 12185, 15560, 19496, 24370, 48740, 74299, 97480, 148598, 297196, 371495, 465467, 594392, 742990, 930934, 947993, 1485980, 1861868, 1895986, 2327335, 2971960, 3723736, 3791972, 4654670, 4739965, 7583944, 9309340, 9479930, 18618680, 18959860, 37919720, 181066663, 362133326, 724266652, 905333315, 1448533304, 1810666630, 3621333260, 7242666520]

約数ペア:

[(1, 7242666520), (2, 3621333260), (4, 1810666630), (5, 1448533304), (8, 905333315), (10, 724266652), (20, 362133326), (40, 181066663), (191, 37919720), (382, 18959860), (389, 18618680), (764, 9479930), (778, 9309340), (955, 7583944), (1528, 4739965), (1556, 4654670), (1910, 3791972), (1945, 3723736), (2437, 2971960), (3112, 2327335), (3820, 1895986), (3890, 1861868), (4874, 1485980), (7640, 947993), (7780, 930934), (9748, 742990), (12185, 594392), (15560, 465467), (19496, 371495), (24370, 297196), (48740, 148598), (74299, 97480)]