30927380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 71257536

約数和(自身を除く): 40330156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 547, 1028, 1094, 1285, 2188, 2570, 2735, 2827, 5140, 5470, 5654, 6017, 10940, 11308, 12034, 14135, 24068, 28270, 30085, 56540, 60170, 120340, 140579, 281158, 562316, 702895, 1405790, 1546369, 2811580, 3092738, 6185476, 7731845, 15463690, 30927380]

約数ペア:

[(1, 30927380), (2, 15463690), (4, 7731845), (5, 6185476), (10, 3092738), (11, 2811580), (20, 1546369), (22, 1405790), (44, 702895), (55, 562316), (110, 281158), (220, 140579), (257, 120340), (514, 60170), (547, 56540), (1028, 30085), (1094, 28270), (1285, 24068), (2188, 14135), (2570, 12034), (2735, 11308), (2827, 10940), (5140, 6017), (5470, 5654)]