304619620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{1489}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 655588080

約数和(自身を除く): 350968460

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 193, 212, 265, 386, 530, 772, 965, 1060, 1489, 1930, 2978, 3860, 5956, 7445, 10229, 14890, 20458, 29780, 40916, 51145, 78917, 102290, 157834, 204580, 287377, 315668, 394585, 574754, 789170, 1149508, 1436885, 1578340, 2873770, 5747540, 15230981, 30461962, 60923924, 76154905, 152309810, 304619620]

約数ペア:

[(1, 304619620), (2, 152309810), (4, 76154905), (5, 60923924), (10, 30461962), (20, 15230981), (53, 5747540), (106, 2873770), (193, 1578340), (212, 1436885), (265, 1149508), (386, 789170), (530, 574754), (772, 394585), (965, 315668), (1060, 287377), (1489, 204580), (1930, 157834), (2978, 102290), (3860, 78917), (5956, 51145), (7445, 40916), (10229, 29780), (14890, 20458)]