289030090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2081}}^1$

素因数の和:2167

約数の個数: 64

約数和(自身を含む): 593619840

約数和(自身を除く): 304589750

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 85, 86, 95, 170, 190, 215, 323, 430, 646, 731, 817, 1462, 1615, 1634, 2081, 3230, 3655, 4085, 4162, 7310, 8170, 10405, 13889, 20810, 27778, 35377, 39539, 69445, 70754, 79078, 89483, 138890, 176885, 178966, 197695, 353770, 395390, 447415, 672163, 894830, 1344326, 1521211, 1700177, 3042422, 3360815, 3400354, 6721630, 7606055, 8500885, 15212110, 17001770, 28903009, 57806018, 144515045, 289030090]

約数ペア:

[(1, 289030090), (2, 144515045), (5, 57806018), (10, 28903009), (17, 17001770), (19, 15212110), (34, 8500885), (38, 7606055), (43, 6721630), (85, 3400354), (86, 3360815), (95, 3042422), (170, 1700177), (190, 1521211), (215, 1344326), (323, 894830), (430, 672163), (646, 447415), (731, 395390), (817, 353770), (1462, 197695), (1615, 178966), (1634, 176885), (2081, 138890), (3230, 89483), (3655, 79078), (4085, 70754), (4162, 69445), (7310, 39539), (8170, 35377), (10405, 27778), (13889, 20810)]