84390400

素因数分解:

$2^9\times 5^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:394

約数の個数: 120

約数和(自身を含む): 220722480

約数和(自身を除く): 136332080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 128, 152, 160, 190, 200, 256, 304, 320, 347, 380, 400, 475, 512, 608, 640, 694, 760, 800, 950, 1216, 1280, 1388, 1520, 1600, 1735, 1900, 2432, 2560, 2776, 3040, 3200, 3470, 3800, 4864, 5552, 6080, 6400, 6593, 6940, 7600, 8675, 9728, 11104, 12160, 12800, 13186, 13880, 15200, 17350, 22208, 24320, 26372, 27760, 30400, 32965, 34700, 44416, 48640, 52744, 55520, 60800, 65930, 69400, 88832, 105488, 111040, 121600, 131860, 138800, 164825, 177664, 210976, 222080, 243200, 263720, 277600, 329650, 421952, 444160, 527440, 555200, 659300, 843904, 888320, 1054880, 1110400, 1318600, 1687808, 2109760, 2220800, 2637200, 3375616, 4219520, 4441600, 5274400, 8439040, 10548800, 16878080, 21097600, 42195200, 84390400]

約数ペア:

[(1, 84390400), (2, 42195200), (4, 21097600), (5, 16878080), (8, 10548800), (10, 8439040), (16, 5274400), (19, 4441600), (20, 4219520), (25, 3375616), (32, 2637200), (38, 2220800), (40, 2109760), (50, 1687808), (64, 1318600), (76, 1110400), (80, 1054880), (95, 888320), (100, 843904), (128, 659300), (152, 555200), (160, 527440), (190, 444160), (200, 421952), (256, 329650), (304, 277600), (320, 263720), (347, 243200), (380, 222080), (400, 210976), (475, 177664), (512, 164825), (608, 138800), (640, 131860), (694, 121600), (760, 111040), (800, 105488), (950, 88832), (1216, 69400), (1280, 65930), (1388, 60800), (1520, 55520), (1600, 52744), (1735, 48640), (1900, 44416), (2432, 34700), (2560, 32965), (2776, 30400), (3040, 27760), (3200, 26372), (3470, 24320), (3800, 22208), (4864, 17350), (5552, 15200), (6080, 13880), (6400, 13186), (6593, 12800), (6940, 12160), (7600, 11104), (8675, 9728)]