289380460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{20759}}^1$

素因数の和:20826

約数の個数: 48

約数和(自身を含む): 659171520

約数和(自身を除く): 369791060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 20759, 41518, 83036, 103795, 207590, 352903, 415180, 705806, 851119, 1411612, 1702238, 1764515, 3404476, 3529030, 4255595, 7058060, 8511190, 14469023, 17022380, 28938046, 57876092, 72345115, 144690230, 289380460]

約数ペア:

[(1, 289380460), (2, 144690230), (4, 72345115), (5, 57876092), (10, 28938046), (17, 17022380), (20, 14469023), (34, 8511190), (41, 7058060), (68, 4255595), (82, 3529030), (85, 3404476), (164, 1764515), (170, 1702238), (205, 1411612), (340, 851119), (410, 705806), (697, 415180), (820, 352903), (1394, 207590), (2788, 103795), (3485, 83036), (6970, 41518), (13940, 20759)]