1378770400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{246209}}^1$

素因数の和:246236

約数の個数: 72

約数和(自身を含む): 3846785040

約数和(自身を除く): 2468014640

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, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 246209, 492418, 984836, 1231045, 1723463, 1969672, 2462090, 3446926, 3939344, 4924180, 6155225, 6893852, 7878688, 8617315, 9848360, 12310450, 13787704, 17234630, 19696720, 24620900, 27575408, 34469260, 39393440, 43086575, 49241800, 55150816, 68938520, 86173150, 98483600, 137877040, 172346300, 196967200, 275754080, 344692600, 689385200, 1378770400]

約数ペア:

[(1, 1378770400), (2, 689385200), (4, 344692600), (5, 275754080), (7, 196967200), (8, 172346300), (10, 137877040), (14, 98483600), (16, 86173150), (20, 68938520), (25, 55150816), (28, 49241800), (32, 43086575), (35, 39393440), (40, 34469260), (50, 27575408), (56, 24620900), (70, 19696720), (80, 17234630), (100, 13787704), (112, 12310450), (140, 9848360), (160, 8617315), (175, 7878688), (200, 6893852), (224, 6155225), (280, 4924180), (350, 3939344), (400, 3446926), (560, 2462090), (700, 1969672), (800, 1723463), (1120, 1231045), (1400, 984836), (2800, 492418), (5600, 246209)]