84400000

素因数分解:

$2^7\times 5^5\times {\mathrm{211}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 211158360

約数和(自身を除く): 126758360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 211, 250, 320, 400, 422, 500, 625, 640, 800, 844, 1000, 1055, 1250, 1600, 1688, 2000, 2110, 2500, 3125, 3200, 3376, 4000, 4220, 5000, 5275, 6250, 6752, 8000, 8440, 10000, 10550, 12500, 13504, 16000, 16880, 20000, 21100, 25000, 26375, 27008, 33760, 40000, 42200, 50000, 52750, 67520, 80000, 84400, 100000, 105500, 131875, 135040, 168800, 200000, 211000, 263750, 337600, 400000, 422000, 527500, 659375, 675200, 844000, 1055000, 1318750, 1688000, 2110000, 2637500, 3376000, 4220000, 5275000, 8440000, 10550000, 16880000, 21100000, 42200000, 84400000]

約数ペア:

[(1, 84400000), (2, 42200000), (4, 21100000), (5, 16880000), (8, 10550000), (10, 8440000), (16, 5275000), (20, 4220000), (25, 3376000), (32, 2637500), (40, 2110000), (50, 1688000), (64, 1318750), (80, 1055000), (100, 844000), (125, 675200), (128, 659375), (160, 527500), (200, 422000), (211, 400000), (250, 337600), (320, 263750), (400, 211000), (422, 200000), (500, 168800), (625, 135040), (640, 131875), (800, 105500), (844, 100000), (1000, 84400), (1055, 80000), (1250, 67520), (1600, 52750), (1688, 50000), (2000, 42200), (2110, 40000), (2500, 33760), (3125, 27008), (3200, 26375), (3376, 25000), (4000, 21100), (4220, 20000), (5000, 16880), (5275, 16000), (6250, 13504), (6752, 12500), (8000, 10550), (8440, 10000)]