209675808

素因数分解:

$2^5\times 3^2\times {\mathrm{499}}^1\times {\mathrm{1459}}^1$

素因数の和:1974

約数の個数: 72

約数和(自身を含む): 597870000

約数和(自身を除く): 388194192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 499, 998, 1459, 1497, 1996, 2918, 2994, 3992, 4377, 4491, 5836, 5988, 7984, 8754, 8982, 11672, 11976, 13131, 15968, 17508, 17964, 23344, 23952, 26262, 35016, 35928, 46688, 47904, 52524, 70032, 71856, 105048, 140064, 143712, 210096, 420192, 728041, 1456082, 2184123, 2912164, 4368246, 5824328, 6552369, 8736492, 11648656, 13104738, 17472984, 23297312, 26209476, 34945968, 52418952, 69891936, 104837904, 209675808]

約数ペア:

[(1, 209675808), (2, 104837904), (3, 69891936), (4, 52418952), (6, 34945968), (8, 26209476), (9, 23297312), (12, 17472984), (16, 13104738), (18, 11648656), (24, 8736492), (32, 6552369), (36, 5824328), (48, 4368246), (72, 2912164), (96, 2184123), (144, 1456082), (288, 728041), (499, 420192), (998, 210096), (1459, 143712), (1497, 140064), (1996, 105048), (2918, 71856), (2994, 70032), (3992, 52524), (4377, 47904), (4491, 46688), (5836, 35928), (5988, 35016), (7984, 26262), (8754, 23952), (8982, 23344), (11672, 17964), (11976, 17508), (13131, 15968)]