206390400

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{21499}}^1$

素因数の和:21526

約数の個数: 96

約数和(自身を含む): 679830000

約数和(自身を除く): 473439600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 300, 320, 384, 400, 480, 600, 640, 800, 960, 1200, 1600, 1920, 2400, 3200, 4800, 9600, 21499, 42998, 64497, 85996, 107495, 128994, 171992, 214990, 257988, 322485, 343984, 429980, 515976, 537475, 644970, 687968, 859960, 1031952, 1074950, 1289940, 1375936, 1612425, 1719920, 2063904, 2149900, 2579880, 2751872, 3224850, 3439840, 4127808, 4299800, 5159760, 6449700, 6879680, 8255616, 8599600, 10319520, 12899400, 13759360, 17199200, 20639040, 25798800, 34398400, 41278080, 51597600, 68796800, 103195200, 206390400]

約数ペア:

[(1, 206390400), (2, 103195200), (3, 68796800), (4, 51597600), (5, 41278080), (6, 34398400), (8, 25798800), (10, 20639040), (12, 17199200), (15, 13759360), (16, 12899400), (20, 10319520), (24, 8599600), (25, 8255616), (30, 6879680), (32, 6449700), (40, 5159760), (48, 4299800), (50, 4127808), (60, 3439840), (64, 3224850), (75, 2751872), (80, 2579880), (96, 2149900), (100, 2063904), (120, 1719920), (128, 1612425), (150, 1375936), (160, 1289940), (192, 1074950), (200, 1031952), (240, 859960), (300, 687968), (320, 644970), (384, 537475), (400, 515976), (480, 429980), (600, 343984), (640, 322485), (800, 257988), (960, 214990), (1200, 171992), (1600, 128994), (1920, 107495), (2400, 85996), (3200, 64497), (4800, 42998), (9600, 21499)]