218996910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{221209}}^1$

素因数の和:221233

約数の個数: 48

約数和(自身を含む): 621157680

約数和(自身を除く): 402160770

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 221209, 442418, 663627, 1106045, 1327254, 1990881, 2212090, 2433299, 3318135, 3981762, 4866598, 6636270, 7299897, 9954405, 12166495, 14599794, 19908810, 21899691, 24332990, 36499485, 43799382, 72998970, 109498455, 218996910]

約数ペア:

[(1, 218996910), (2, 109498455), (3, 72998970), (5, 43799382), (6, 36499485), (9, 24332990), (10, 21899691), (11, 19908810), (15, 14599794), (18, 12166495), (22, 9954405), (30, 7299897), (33, 6636270), (45, 4866598), (55, 3981762), (66, 3318135), (90, 2433299), (99, 2212090), (110, 1990881), (165, 1327254), (198, 1106045), (330, 663627), (495, 442418), (990, 221209)]