209541420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{105829}}^1$

素因数の和:105855

約数の個数: 72

約数和(自身を含む): 693398160

約数和(自身を除く): 483856740

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, 105829, 211658, 317487, 423316, 529145, 634974, 952461, 1058290, 1164119, 1269948, 1587435, 1904922, 2116580, 2328238, 3174870, 3492357, 3809844, 4656476, 4762305, 5820595, 6349740, 6984714, 9524610, 10477071, 11641190, 13969428, 17461785, 19049220, 20954142, 23282380, 34923570, 41908284, 52385355, 69847140, 104770710, 209541420]

約数ペア:

[(1, 209541420), (2, 104770710), (3, 69847140), (4, 52385355), (5, 41908284), (6, 34923570), (9, 23282380), (10, 20954142), (11, 19049220), (12, 17461785), (15, 13969428), (18, 11641190), (20, 10477071), (22, 9524610), (30, 6984714), (33, 6349740), (36, 5820595), (44, 4762305), (45, 4656476), (55, 3809844), (60, 3492357), (66, 3174870), (90, 2328238), (99, 2116580), (110, 1904922), (132, 1587435), (165, 1269948), (180, 1164119), (198, 1058290), (220, 952461), (330, 634974), (396, 529145), (495, 423316), (660, 317487), (990, 211658), (1980, 105829)]