11719420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 26107200

約数和(自身を除く): 14387780

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 73, 92, 115, 146, 230, 292, 349, 365, 460, 698, 730, 1396, 1460, 1679, 1745, 3358, 3490, 6716, 6980, 8027, 8395, 16054, 16790, 25477, 32108, 33580, 40135, 50954, 80270, 101908, 127385, 160540, 254770, 509540, 585971, 1171942, 2343884, 2929855, 5859710, 11719420]

約数ペア:

[(1, 11719420), (2, 5859710), (4, 2929855), (5, 2343884), (10, 1171942), (20, 585971), (23, 509540), (46, 254770), (73, 160540), (92, 127385), (115, 101908), (146, 80270), (230, 50954), (292, 40135), (349, 33580), (365, 32108), (460, 25477), (698, 16790), (730, 16054), (1396, 8395), (1460, 8027), (1679, 6980), (1745, 6716), (3358, 3490)]