12984940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 29169504

約数和(自身を除く): 16184564

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 181, 211, 340, 362, 422, 724, 844, 905, 1055, 1810, 2110, 3077, 3587, 3620, 4220, 6154, 7174, 12308, 14348, 15385, 17935, 30770, 35870, 38191, 61540, 71740, 76382, 152764, 190955, 381910, 649247, 763820, 1298494, 2596988, 3246235, 6492470, 12984940]

約数ペア:

[(1, 12984940), (2, 6492470), (4, 3246235), (5, 2596988), (10, 1298494), (17, 763820), (20, 649247), (34, 381910), (68, 190955), (85, 152764), (170, 76382), (181, 71740), (211, 61540), (340, 38191), (362, 35870), (422, 30770), (724, 17935), (844, 15385), (905, 14348), (1055, 12308), (1810, 7174), (2110, 6154), (3077, 4220), (3587, 3620)]