420199676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 892866240

約数和(自身を除く): 472666564

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 37, 52, 58, 68, 74, 116, 148, 221, 377, 442, 443, 481, 493, 629, 754, 884, 886, 962, 986, 1073, 1258, 1508, 1772, 1924, 1972, 2146, 2516, 4292, 5759, 6409, 7531, 8177, 11518, 12818, 12847, 13949, 15062, 16354, 16391, 18241, 23036, 25636, 25694, 27898, 30124, 32708, 32782, 36482, 51388, 55796, 65564, 72964, 97903, 167011, 195806, 213083, 218399, 237133, 278647, 334022, 391612, 426166, 436798, 474266, 475339, 557294, 668044, 852332, 873596, 948532, 950678, 1114588, 1901356, 2839187, 3622411, 5678374, 6179407, 7244822, 8080763, 11356748, 12358814, 14489644, 16161526, 24717628, 32323052, 105049919, 210099838, 420199676]

約数ペア:

[(1, 420199676), (2, 210099838), (4, 105049919), (13, 32323052), (17, 24717628), (26, 16161526), (29, 14489644), (34, 12358814), (37, 11356748), (52, 8080763), (58, 7244822), (68, 6179407), (74, 5678374), (116, 3622411), (148, 2839187), (221, 1901356), (377, 1114588), (442, 950678), (443, 948532), (481, 873596), (493, 852332), (629, 668044), (754, 557294), (884, 475339), (886, 474266), (962, 436798), (986, 426166), (1073, 391612), (1258, 334022), (1508, 278647), (1772, 237133), (1924, 218399), (1972, 213083), (2146, 195806), (2516, 167011), (4292, 97903), (5759, 72964), (6409, 65564), (7531, 55796), (8177, 51388), (11518, 36482), (12818, 32782), (12847, 32708), (13949, 30124), (15062, 27898), (16354, 25694), (16391, 25636), (18241, 23036)]