218993940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{110603}}^1$

素因数の和:110629

約数の個数: 72

約数和(自身を含む): 724677408

約数和(自身を除く): 505683468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 110603, 221206, 331809, 442412, 553015, 663618, 995427, 1106030, 1216633, 1327236, 1659045, 1990854, 2212060, 2433266, 3318090, 3649899, 3981708, 4866532, 4977135, 6083165, 6636180, 7299798, 9954270, 10949697, 12166330, 14599596, 18249495, 19908540, 21899394, 24332660, 36498990, 43798788, 54748485, 72997980, 109496970, 218993940]

約数ペア:

[(1, 218993940), (2, 109496970), (3, 72997980), (4, 54748485), (5, 43798788), (6, 36498990), (9, 24332660), (10, 21899394), (11, 19908540), (12, 18249495), (15, 14599596), (18, 12166330), (20, 10949697), (22, 9954270), (30, 7299798), (33, 6636180), (36, 6083165), (44, 4977135), (45, 4866532), (55, 3981708), (60, 3649899), (66, 3318090), (90, 2433266), (99, 2212060), (110, 1990854), (132, 1659045), (165, 1327236), (180, 1216633), (198, 1106030), (220, 995427), (330, 663618), (396, 553015), (495, 442412), (660, 331809), (990, 221206), (1980, 110603)]