1338400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{239}}^1$

素因数の和:266

約数の個数: 72

約数和(自身を含む): 3749760

約数和(自身を除く): 2411360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 239, 280, 350, 400, 478, 560, 700, 800, 956, 1120, 1195, 1400, 1673, 1912, 2390, 2800, 3346, 3824, 4780, 5600, 5975, 6692, 7648, 8365, 9560, 11950, 13384, 16730, 19120, 23900, 26768, 33460, 38240, 41825, 47800, 53536, 66920, 83650, 95600, 133840, 167300, 191200, 267680, 334600, 669200, 1338400]

約数ペア:

[(1, 1338400), (2, 669200), (4, 334600), (5, 267680), (7, 191200), (8, 167300), (10, 133840), (14, 95600), (16, 83650), (20, 66920), (25, 53536), (28, 47800), (32, 41825), (35, 38240), (40, 33460), (50, 26768), (56, 23900), (70, 19120), (80, 16730), (100, 13384), (112, 11950), (140, 9560), (160, 8365), (175, 7648), (200, 6692), (224, 5975), (239, 5600), (280, 4780), (350, 3824), (400, 3346), (478, 2800), (560, 2390), (700, 1912), (800, 1673), (956, 1400), (1120, 1195)]