208353420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{105229}}^1$

素因数の和:105255

約数の個数: 72

約数和(自身を含む): 689466960

約数和(自身を除く): 481113540

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, 105229, 210458, 315687, 420916, 526145, 631374, 947061, 1052290, 1157519, 1262748, 1578435, 1894122, 2104580, 2315038, 3156870, 3472557, 3788244, 4630076, 4735305, 5787595, 6313740, 6945114, 9470610, 10417671, 11575190, 13890228, 17362785, 18941220, 20835342, 23150380, 34725570, 41670684, 52088355, 69451140, 104176710, 208353420]

約数ペア:

[(1, 208353420), (2, 104176710), (3, 69451140), (4, 52088355), (5, 41670684), (6, 34725570), (9, 23150380), (10, 20835342), (11, 18941220), (12, 17362785), (15, 13890228), (18, 11575190), (20, 10417671), (22, 9470610), (30, 6945114), (33, 6313740), (36, 5787595), (44, 4735305), (45, 4630076), (55, 3788244), (60, 3472557), (66, 3156870), (90, 2315038), (99, 2104580), (110, 1894122), (132, 1578435), (165, 1262748), (180, 1157519), (198, 1052290), (220, 947061), (330, 631374), (396, 526145), (495, 420916), (660, 315687), (990, 210458), (1980, 105229)]