280684908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{25903}}^1$

素因数の和:25963

約数の個数: 72

約数和(自身を含む): 829756928

約数和(自身を除く): 549072020

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2709, 3612, 5418, 10836, 25903, 51806, 77709, 103612, 155418, 181321, 233127, 310836, 362642, 466254, 543963, 725284, 932508, 1087926, 1113829, 1631889, 2175852, 2227658, 3263778, 3341487, 4455316, 6527556, 6682974, 7796803, 10024461, 13365948, 15593606, 20048922, 23390409, 31187212, 40097844, 46780818, 70171227, 93561636, 140342454, 280684908]

約数ペア:

[(1, 280684908), (2, 140342454), (3, 93561636), (4, 70171227), (6, 46780818), (7, 40097844), (9, 31187212), (12, 23390409), (14, 20048922), (18, 15593606), (21, 13365948), (28, 10024461), (36, 7796803), (42, 6682974), (43, 6527556), (63, 4455316), (84, 3341487), (86, 3263778), (126, 2227658), (129, 2175852), (172, 1631889), (252, 1113829), (258, 1087926), (301, 932508), (387, 725284), (516, 543963), (602, 466254), (774, 362642), (903, 310836), (1204, 233127), (1548, 181321), (1806, 155418), (2709, 103612), (3612, 77709), (5418, 51806), (10836, 25903)]