278320020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421697}}^1$

素因数の和:421720

約数の個数: 48

約数和(自身を含む): 850143168

約数和(自身を除く): 571823148

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 421697, 843394, 1265091, 1686788, 2108485, 2530182, 4216970, 4638667, 5060364, 6325455, 8433940, 9277334, 12650910, 13916001, 18554668, 23193335, 25301820, 27832002, 46386670, 55664004, 69580005, 92773340, 139160010, 278320020]

約数ペア:

[(1, 278320020), (2, 139160010), (3, 92773340), (4, 69580005), (5, 55664004), (6, 46386670), (10, 27832002), (11, 25301820), (12, 23193335), (15, 18554668), (20, 13916001), (22, 12650910), (30, 9277334), (33, 8433940), (44, 6325455), (55, 5060364), (60, 4638667), (66, 4216970), (110, 2530182), (132, 2108485), (165, 1686788), (220, 1265091), (330, 843394), (660, 421697)]