397447680

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{7393}}^1$

素因数の和:7426

約数の個数: 160

約数和(自身を含む): 1452299904

約数和(自身を除く): 1054852224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 6720, 7393, 7680, 8960, 10752, 13440, 14786, 17920, 22179, 26880, 29572, 36965, 44358, 51751, 53760, 59144, 73930, 88716, 103502, 110895, 118288, 147860, 155253, 177432, 207004, 221790, 236576, 258755, 295720, 310506, 354864, 414008, 443580, 473152, 517510, 591440, 621012, 709728, 776265, 828016, 887160, 946304, 1035020, 1182880, 1242024, 1419456, 1552530, 1656032, 1774320, 1892608, 2070040, 2365760, 2484048, 2838912, 3105060, 3312064, 3548640, 3785216, 4140080, 4731520, 4968096, 5677824, 6210120, 6624128, 7097280, 8280160, 9463040, 9936192, 11355648, 12420240, 13248256, 14194560, 16560320, 18926080, 19872384, 24840480, 26496512, 28389120, 33120640, 39744768, 49680960, 56778240, 66241280, 79489536, 99361920, 132482560, 198723840, 397447680]

約数ペア:

[(1, 397447680), (2, 198723840), (3, 132482560), (4, 99361920), (5, 79489536), (6, 66241280), (7, 56778240), (8, 49680960), (10, 39744768), (12, 33120640), (14, 28389120), (15, 26496512), (16, 24840480), (20, 19872384), (21, 18926080), (24, 16560320), (28, 14194560), (30, 13248256), (32, 12420240), (35, 11355648), (40, 9936192), (42, 9463040), (48, 8280160), (56, 7097280), (60, 6624128), (64, 6210120), (70, 5677824), (80, 4968096), (84, 4731520), (96, 4140080), (105, 3785216), (112, 3548640), (120, 3312064), (128, 3105060), (140, 2838912), (160, 2484048), (168, 2365760), (192, 2070040), (210, 1892608), (224, 1774320), (240, 1656032), (256, 1552530), (280, 1419456), (320, 1242024), (336, 1182880), (384, 1035020), (420, 946304), (448, 887160), (480, 828016), (512, 776265), (560, 709728), (640, 621012), (672, 591440), (768, 517510), (840, 473152), (896, 443580), (960, 414008), (1120, 354864), (1280, 310506), (1344, 295720), (1536, 258755), (1680, 236576), (1792, 221790), (1920, 207004), (2240, 177432), (2560, 155253), (2688, 147860), (3360, 118288), (3584, 110895), (3840, 103502), (4480, 88716), (5376, 73930), (6720, 59144), (7393, 53760), (7680, 51751), (8960, 44358), (10752, 36965), (13440, 29572), (14786, 26880), (17920, 22179)]