209380920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{5087}}^1$

素因数の和:5122

約数の個数: 128

約数和(自身を含む): 732672000

約数和(自身を除く): 523291080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5087, 5145, 5880, 6860, 8232, 10174, 10290, 13720, 15261, 20348, 20580, 25435, 30522, 35609, 40696, 41160, 50870, 61044, 71218, 76305, 101740, 106827, 122088, 142436, 152610, 178045, 203480, 213654, 249263, 284872, 305220, 356090, 427308, 498526, 534135, 610440, 712180, 747789, 854616, 997052, 1068270, 1246315, 1424360, 1495578, 1744841, 1994104, 2136540, 2492630, 2991156, 3489682, 3738945, 4273080, 4985260, 5234523, 5982312, 6979364, 7477890, 8724205, 9970520, 10469046, 13958728, 14955780, 17448410, 20938092, 26172615, 29911560, 34896820, 41876184, 52345230, 69793640, 104690460, 209380920]

約数ペア:

[(1, 209380920), (2, 104690460), (3, 69793640), (4, 52345230), (5, 41876184), (6, 34896820), (7, 29911560), (8, 26172615), (10, 20938092), (12, 17448410), (14, 14955780), (15, 13958728), (20, 10469046), (21, 9970520), (24, 8724205), (28, 7477890), (30, 6979364), (35, 5982312), (40, 5234523), (42, 4985260), (49, 4273080), (56, 3738945), (60, 3489682), (70, 2991156), (84, 2492630), (98, 2136540), (105, 1994104), (120, 1744841), (140, 1495578), (147, 1424360), (168, 1246315), (196, 1068270), (210, 997052), (245, 854616), (280, 747789), (294, 712180), (343, 610440), (392, 534135), (420, 498526), (490, 427308), (588, 356090), (686, 305220), (735, 284872), (840, 249263), (980, 213654), (1029, 203480), (1176, 178045), (1372, 152610), (1470, 142436), (1715, 122088), (1960, 106827), (2058, 101740), (2744, 76305), (2940, 71218), (3430, 61044), (4116, 50870), (5087, 41160), (5145, 40696), (5880, 35609), (6860, 30522), (8232, 25435), (10174, 20580), (10290, 20348), (13720, 15261)]