78838400

素因数分解:

$2^7\times 5^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 198067680

約数和(自身を除く): 119229280

約数列:

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

約数ペア:

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