388179960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{9431}}^1$

素因数の和:9466

約数の個数: 128

約数和(自身を含む): 1358208000

約数和(自身を除く): 970028040

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, 5145, 5880, 6860, 8232, 9431, 10290, 13720, 18862, 20580, 28293, 37724, 41160, 47155, 56586, 66017, 75448, 94310, 113172, 132034, 141465, 188620, 198051, 226344, 264068, 282930, 330085, 377240, 396102, 462119, 528136, 565860, 660170, 792204, 924238, 990255, 1131720, 1320340, 1386357, 1584408, 1848476, 1980510, 2310595, 2640680, 2772714, 3234833, 3696952, 3961020, 4621190, 5545428, 6469666, 6931785, 7922040, 9242380, 9704499, 11090856, 12939332, 13863570, 16174165, 18484760, 19408998, 25878664, 27727140, 32348330, 38817996, 48522495, 55454280, 64696660, 77635992, 97044990, 129393320, 194089980, 388179960]

約数ペア:

[(1, 388179960), (2, 194089980), (3, 129393320), (4, 97044990), (5, 77635992), (6, 64696660), (7, 55454280), (8, 48522495), (10, 38817996), (12, 32348330), (14, 27727140), (15, 25878664), (20, 19408998), (21, 18484760), (24, 16174165), (28, 13863570), (30, 12939332), (35, 11090856), (40, 9704499), (42, 9242380), (49, 7922040), (56, 6931785), (60, 6469666), (70, 5545428), (84, 4621190), (98, 3961020), (105, 3696952), (120, 3234833), (140, 2772714), (147, 2640680), (168, 2310595), (196, 1980510), (210, 1848476), (245, 1584408), (280, 1386357), (294, 1320340), (343, 1131720), (392, 990255), (420, 924238), (490, 792204), (588, 660170), (686, 565860), (735, 528136), (840, 462119), (980, 396102), (1029, 377240), (1176, 330085), (1372, 282930), (1470, 264068), (1715, 226344), (1960, 198051), (2058, 188620), (2744, 141465), (2940, 132034), (3430, 113172), (4116, 94310), (5145, 75448), (5880, 66017), (6860, 56586), (8232, 47155), (9431, 41160), (10290, 37724), (13720, 28293), (18862, 20580)]