28043010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:497

約数の個数: 80

約数和(自身を含む): 76447800

約数和(自身を除く): 48404790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 89, 90, 135, 162, 178, 267, 270, 389, 405, 445, 534, 778, 801, 810, 890, 1167, 1335, 1602, 1945, 2334, 2403, 2670, 3501, 3890, 4005, 4806, 5835, 7002, 7209, 8010, 10503, 11670, 12015, 14418, 17505, 21006, 24030, 31509, 34621, 35010, 36045, 52515, 63018, 69242, 72090, 103863, 105030, 157545, 173105, 207726, 311589, 315090, 346210, 519315, 623178, 934767, 1038630, 1557945, 1869534, 2804301, 3115890, 4673835, 5608602, 9347670, 14021505, 28043010]

約数ペア:

[(1, 28043010), (2, 14021505), (3, 9347670), (5, 5608602), (6, 4673835), (9, 3115890), (10, 2804301), (15, 1869534), (18, 1557945), (27, 1038630), (30, 934767), (45, 623178), (54, 519315), (81, 346210), (89, 315090), (90, 311589), (135, 207726), (162, 173105), (178, 157545), (267, 105030), (270, 103863), (389, 72090), (405, 69242), (445, 63018), (534, 52515), (778, 36045), (801, 35010), (810, 34621), (890, 31509), (1167, 24030), (1335, 21006), (1602, 17505), (1945, 14418), (2334, 12015), (2403, 11670), (2670, 10503), (3501, 8010), (3890, 7209), (4005, 7002), (4806, 5835)]