28919220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1085

約数の個数: 96

約数和(自身を含む): 90478080

約数和(自身を除く): 61558860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 946, 1019, 1290, 1419, 1892, 2038, 2365, 2580, 2838, 3057, 4076, 4730, 5095, 5676, 6114, 7095, 9460, 10190, 11209, 12228, 14190, 15285, 20380, 22418, 28380, 30570, 33627, 43817, 44836, 56045, 61140, 67254, 87634, 112090, 131451, 134508, 168135, 175268, 219085, 224180, 262902, 336270, 438170, 481987, 525804, 657255, 672540, 876340, 963974, 1314510, 1445961, 1927948, 2409935, 2629020, 2891922, 4819870, 5783844, 7229805, 9639740, 14459610, 28919220]

約数ペア:

[(1, 28919220), (2, 14459610), (3, 9639740), (4, 7229805), (5, 5783844), (6, 4819870), (10, 2891922), (11, 2629020), (12, 2409935), (15, 1927948), (20, 1445961), (22, 1314510), (30, 963974), (33, 876340), (43, 672540), (44, 657255), (55, 525804), (60, 481987), (66, 438170), (86, 336270), (110, 262902), (129, 224180), (132, 219085), (165, 175268), (172, 168135), (215, 134508), (220, 131451), (258, 112090), (330, 87634), (430, 67254), (473, 61140), (516, 56045), (645, 44836), (660, 43817), (860, 33627), (946, 30570), (1019, 28380), (1290, 22418), (1419, 20380), (1892, 15285), (2038, 14190), (2365, 12228), (2580, 11209), (2838, 10190), (3057, 9460), (4076, 7095), (4730, 6114), (5095, 5676)]