2280740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1481}}^1$

素因数の和:1508

約数の個数: 48

約数和(自身を含む): 5975424

約数和(自身を除く): 3694684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1481, 1540, 2962, 5924, 7405, 10367, 14810, 16291, 20734, 29620, 32582, 41468, 51835, 65164, 81455, 103670, 114037, 162910, 207340, 228074, 325820, 456148, 570185, 1140370, 2280740]

約数ペア:

[(1, 2280740), (2, 1140370), (4, 570185), (5, 456148), (7, 325820), (10, 228074), (11, 207340), (14, 162910), (20, 114037), (22, 103670), (28, 81455), (35, 65164), (44, 51835), (55, 41468), (70, 32582), (77, 29620), (110, 20734), (140, 16291), (154, 14810), (220, 10367), (308, 7405), (385, 5924), (770, 2962), (1481, 1540)]