1994455760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2266427}}^1$

素因数の和:2266451

約数の個数: 40

約数和(自身を含む): 5058667296

約数和(自身を除く): 3064211536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2266427, 4532854, 9065708, 11332135, 18131416, 22664270, 24930697, 36262832, 45328540, 49861394, 90657080, 99722788, 124653485, 181314160, 199445576, 249306970, 398891152, 498613940, 997227880, 1994455760]

約数ペア:

[(1, 1994455760), (2, 997227880), (4, 498613940), (5, 398891152), (8, 249306970), (10, 199445576), (11, 181314160), (16, 124653485), (20, 99722788), (22, 90657080), (40, 49861394), (44, 45328540), (55, 36262832), (80, 24930697), (88, 22664270), (110, 18131416), (176, 11332135), (220, 9065708), (440, 4532854), (880, 2266427)]