490035520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117797}}^1$

素因数の和:117827

約数の個数: 56

約数和(自身を含む): 1256669064

約数和(自身を除く): 766633544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 117797, 235594, 471188, 588985, 942376, 1177970, 1531361, 1884752, 2355940, 3062722, 3769504, 4711880, 6125444, 7539008, 7656805, 9423760, 12250888, 15313610, 18847520, 24501776, 30627220, 37695040, 49003552, 61254440, 98007104, 122508880, 245017760, 490035520]

約数ペア:

[(1, 490035520), (2, 245017760), (4, 122508880), (5, 98007104), (8, 61254440), (10, 49003552), (13, 37695040), (16, 30627220), (20, 24501776), (26, 18847520), (32, 15313610), (40, 12250888), (52, 9423760), (64, 7656805), (65, 7539008), (80, 6125444), (104, 4711880), (130, 3769504), (160, 3062722), (208, 2355940), (260, 1884752), (320, 1531361), (416, 1177970), (520, 942376), (832, 588985), (1040, 471188), (2080, 235594), (4160, 117797)]