138874400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{24799}}^1$

素因数の和:24826

約数の個数: 72

約数和(自身を含む): 387475200

約数和(自身を除く): 248600800

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, 24799, 49598, 99196, 123995, 173593, 198392, 247990, 347186, 396784, 495980, 619975, 694372, 793568, 867965, 991960, 1239950, 1388744, 1735930, 1983920, 2479900, 2777488, 3471860, 3967840, 4339825, 4959800, 5554976, 6943720, 8679650, 9919600, 13887440, 17359300, 19839200, 27774880, 34718600, 69437200, 138874400]

約数ペア:

[(1, 138874400), (2, 69437200), (4, 34718600), (5, 27774880), (7, 19839200), (8, 17359300), (10, 13887440), (14, 9919600), (16, 8679650), (20, 6943720), (25, 5554976), (28, 4959800), (32, 4339825), (35, 3967840), (40, 3471860), (50, 2777488), (56, 2479900), (70, 1983920), (80, 1735930), (100, 1388744), (112, 1239950), (140, 991960), (160, 867965), (175, 793568), (200, 694372), (224, 619975), (280, 495980), (350, 396784), (400, 347186), (560, 247990), (700, 198392), (800, 173593), (1120, 123995), (1400, 99196), (2800, 49598), (5600, 24799)]