890496860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{41729}}^1$

素因数の和:41846

約数の個数: 48

約数和(自身を含む): 2061128160

約数和(自身を除く): 1170631300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 21340, 41729, 83458, 166916, 208645, 417290, 459019, 834580, 918038, 1836076, 2295095, 4047713, 4590190, 8095426, 9180380, 16190852, 20238565, 40477130, 44524843, 80954260, 89049686, 178099372, 222624215, 445248430, 890496860]

約数ペア:

[(1, 890496860), (2, 445248430), (4, 222624215), (5, 178099372), (10, 89049686), (11, 80954260), (20, 44524843), (22, 40477130), (44, 20238565), (55, 16190852), (97, 9180380), (110, 8095426), (194, 4590190), (220, 4047713), (388, 2295095), (485, 1836076), (970, 918038), (1067, 834580), (1940, 459019), (2134, 417290), (4268, 208645), (5335, 166916), (10670, 83458), (21340, 41729)]