200699920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1520

約数の個数: 80

約数和(自身を含む): 489468672

約数和(自身を除く): 288768752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 656, 688, 820, 860, 1423, 1640, 1720, 1763, 2846, 3280, 3440, 3526, 5692, 7052, 7115, 8815, 11384, 14104, 14230, 17630, 22768, 28208, 28460, 35260, 56920, 58343, 61189, 70520, 113840, 116686, 122378, 141040, 233372, 244756, 291715, 305945, 466744, 489512, 583430, 611890, 933488, 979024, 1166860, 1223780, 2333720, 2447560, 2508749, 4667440, 4895120, 5017498, 10034996, 12543745, 20069992, 25087490, 40139984, 50174980, 100349960, 200699920]

約数ペア:

[(1, 200699920), (2, 100349960), (4, 50174980), (5, 40139984), (8, 25087490), (10, 20069992), (16, 12543745), (20, 10034996), (40, 5017498), (41, 4895120), (43, 4667440), (80, 2508749), (82, 2447560), (86, 2333720), (164, 1223780), (172, 1166860), (205, 979024), (215, 933488), (328, 611890), (344, 583430), (410, 489512), (430, 466744), (656, 305945), (688, 291715), (820, 244756), (860, 233372), (1423, 141040), (1640, 122378), (1720, 116686), (1763, 113840), (2846, 70520), (3280, 61189), (3440, 58343), (3526, 56920), (5692, 35260), (7052, 28460), (7115, 28208), (8815, 22768), (11384, 17630), (14104, 14230)]