318143200

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2861}}^1$

素因数の和:3020

約数の個数: 72

約数和(自身を含む): 782528040

約数和(自身を除く): 464384840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 400, 556, 695, 800, 1112, 1390, 2224, 2780, 2861, 3475, 4448, 5560, 5722, 6950, 11120, 11444, 13900, 14305, 22240, 22888, 27800, 28610, 45776, 55600, 57220, 71525, 91552, 111200, 114440, 143050, 228880, 286100, 397679, 457760, 572200, 795358, 1144400, 1590716, 1988395, 2288800, 3181432, 3976790, 6362864, 7953580, 9941975, 12725728, 15907160, 19883950, 31814320, 39767900, 63628640, 79535800, 159071600, 318143200]

約数ペア:

[(1, 318143200), (2, 159071600), (4, 79535800), (5, 63628640), (8, 39767900), (10, 31814320), (16, 19883950), (20, 15907160), (25, 12725728), (32, 9941975), (40, 7953580), (50, 6362864), (80, 3976790), (100, 3181432), (139, 2288800), (160, 1988395), (200, 1590716), (278, 1144400), (400, 795358), (556, 572200), (695, 457760), (800, 397679), (1112, 286100), (1390, 228880), (2224, 143050), (2780, 114440), (2861, 111200), (3475, 91552), (4448, 71525), (5560, 57220), (5722, 55600), (6950, 45776), (11120, 28610), (11444, 27800), (13900, 22888), (14305, 22240)]