28350060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5309}}^1$

素因数の和:5410

約数の個数: 48

約数和(自身を含む): 80287200

約数和(自身を除く): 51937140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5309, 5340, 10618, 15927, 21236, 26545, 31854, 53090, 63708, 79635, 106180, 159270, 318540, 472501, 945002, 1417503, 1890004, 2362505, 2835006, 4725010, 5670012, 7087515, 9450020, 14175030, 28350060]

約数ペア:

[(1, 28350060), (2, 14175030), (3, 9450020), (4, 7087515), (5, 5670012), (6, 4725010), (10, 2835006), (12, 2362505), (15, 1890004), (20, 1417503), (30, 945002), (60, 472501), (89, 318540), (178, 159270), (267, 106180), (356, 79635), (445, 63708), (534, 53090), (890, 31854), (1068, 26545), (1335, 21236), (1780, 15927), (2670, 10618), (5309, 5340)]