315353600

素因数分解:

$2^9\times 5^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:446

約数の個数: 120

約数和(自身を含む): 794600928

約数和(自身を除く): 479247328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 128, 142, 160, 200, 256, 284, 320, 347, 355, 400, 512, 568, 640, 694, 710, 800, 1136, 1280, 1388, 1420, 1600, 1735, 1775, 2272, 2560, 2776, 2840, 3200, 3470, 3550, 4544, 5552, 5680, 6400, 6940, 7100, 8675, 9088, 11104, 11360, 12800, 13880, 14200, 17350, 18176, 22208, 22720, 24637, 27760, 28400, 34700, 36352, 44416, 45440, 49274, 55520, 56800, 69400, 88832, 90880, 98548, 111040, 113600, 123185, 138800, 177664, 181760, 197096, 222080, 227200, 246370, 277600, 394192, 444160, 454400, 492740, 555200, 615925, 788384, 888320, 908800, 985480, 1110400, 1231850, 1576768, 1970960, 2220800, 2463700, 3153536, 3941920, 4441600, 4927400, 6307072, 7883840, 9854800, 12614144, 15767680, 19709600, 31535360, 39419200, 63070720, 78838400, 157676800, 315353600]

約数ペア:

[(1, 315353600), (2, 157676800), (4, 78838400), (5, 63070720), (8, 39419200), (10, 31535360), (16, 19709600), (20, 15767680), (25, 12614144), (32, 9854800), (40, 7883840), (50, 6307072), (64, 4927400), (71, 4441600), (80, 3941920), (100, 3153536), (128, 2463700), (142, 2220800), (160, 1970960), (200, 1576768), (256, 1231850), (284, 1110400), (320, 985480), (347, 908800), (355, 888320), (400, 788384), (512, 615925), (568, 555200), (640, 492740), (694, 454400), (710, 444160), (800, 394192), (1136, 277600), (1280, 246370), (1388, 227200), (1420, 222080), (1600, 197096), (1735, 181760), (1775, 177664), (2272, 138800), (2560, 123185), (2776, 113600), (2840, 111040), (3200, 98548), (3470, 90880), (3550, 88832), (4544, 69400), (5552, 56800), (5680, 55520), (6400, 49274), (6940, 45440), (7100, 44416), (8675, 36352), (9088, 34700), (11104, 28400), (11360, 27760), (12800, 24637), (13880, 22720), (14200, 22208), (17350, 18176)]