205969720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{468113}}^1$

素因数の和:468135

約数の個数: 32

約数和(自身を含む): 505563120

約数和(自身を除く): 299593400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 468113, 936226, 1872452, 2340565, 3744904, 4681130, 5149243, 9362260, 10298486, 18724520, 20596972, 25746215, 41193944, 51492430, 102984860, 205969720]

約数ペア:

[(1, 205969720), (2, 102984860), (4, 51492430), (5, 41193944), (8, 25746215), (10, 20596972), (11, 18724520), (20, 10298486), (22, 9362260), (40, 5149243), (44, 4681130), (55, 3744904), (88, 2340565), (110, 1872452), (220, 936226), (440, 468113)]