221173260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{977}}^1$

素因数の和:1021

約数の個数: 192

約数和(自身を含む): 788659200

約数和(自身を除く): 567485940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 343, 385, 420, 462, 490, 539, 588, 660, 686, 735, 770, 924, 977, 980, 1029, 1078, 1155, 1372, 1470, 1540, 1617, 1715, 1954, 2058, 2156, 2310, 2695, 2931, 2940, 3234, 3430, 3773, 3908, 4116, 4620, 4885, 5145, 5390, 5862, 6468, 6839, 6860, 7546, 8085, 9770, 10290, 10747, 10780, 11319, 11724, 13678, 14655, 15092, 16170, 18865, 19540, 20517, 20580, 21494, 22638, 27356, 29310, 32241, 32340, 34195, 37730, 41034, 42988, 45276, 47873, 53735, 56595, 58620, 64482, 68390, 75229, 75460, 82068, 95746, 102585, 107470, 113190, 128964, 136780, 143619, 150458, 161205, 191492, 205170, 214940, 225687, 226380, 239365, 287238, 300916, 322410, 335111, 376145, 410340, 451374, 478730, 526603, 574476, 644820, 670222, 718095, 752290, 902748, 957460, 1005333, 1053206, 1128435, 1340444, 1436190, 1504580, 1579809, 1675555, 2010666, 2106412, 2256870, 2633015, 2872380, 3159618, 3351110, 3686221, 4021332, 4513740, 5026665, 5266030, 6319236, 6702220, 7372442, 7899045, 10053330, 10532060, 11058663, 14744884, 15798090, 18431105, 20106660, 22117326, 31596180, 36862210, 44234652, 55293315, 73724420, 110586630, 221173260]

約数ペア:

[(1, 221173260), (2, 110586630), (3, 73724420), (4, 55293315), (5, 44234652), (6, 36862210), (7, 31596180), (10, 22117326), (11, 20106660), (12, 18431105), (14, 15798090), (15, 14744884), (20, 11058663), (21, 10532060), (22, 10053330), (28, 7899045), (30, 7372442), (33, 6702220), (35, 6319236), (42, 5266030), (44, 5026665), (49, 4513740), (55, 4021332), (60, 3686221), (66, 3351110), (70, 3159618), (77, 2872380), (84, 2633015), (98, 2256870), (105, 2106412), (110, 2010666), (132, 1675555), (140, 1579809), (147, 1504580), (154, 1436190), (165, 1340444), (196, 1128435), (210, 1053206), (220, 1005333), (231, 957460), (245, 902748), (294, 752290), (308, 718095), (330, 670222), (343, 644820), (385, 574476), (420, 526603), (462, 478730), (490, 451374), (539, 410340), (588, 376145), (660, 335111), (686, 322410), (735, 300916), (770, 287238), (924, 239365), (977, 226380), (980, 225687), (1029, 214940), (1078, 205170), (1155, 191492), (1372, 161205), (1470, 150458), (1540, 143619), (1617, 136780), (1715, 128964), (1954, 113190), (2058, 107470), (2156, 102585), (2310, 95746), (2695, 82068), (2931, 75460), (2940, 75229), (3234, 68390), (3430, 64482), (3773, 58620), (3908, 56595), (4116, 53735), (4620, 47873), (4885, 45276), (5145, 42988), (5390, 41034), (5862, 37730), (6468, 34195), (6839, 32340), (6860, 32241), (7546, 29310), (8085, 27356), (9770, 22638), (10290, 21494), (10747, 20580), (10780, 20517), (11319, 19540), (11724, 18865), (13678, 16170), (14655, 15092)]