28450020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2909}}^1$

素因数の和:3084

約数の個数: 48

約数和(自身を含む): 80176320

約数和(自身を除く): 51726300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 2909, 3260, 4890, 5818, 8727, 9780, 11636, 14545, 17454, 29090, 34908, 43635, 58180, 87270, 174540, 474167, 948334, 1422501, 1896668, 2370835, 2845002, 4741670, 5690004, 7112505, 9483340, 14225010, 28450020]

約数ペア:

[(1, 28450020), (2, 14225010), (3, 9483340), (4, 7112505), (5, 5690004), (6, 4741670), (10, 2845002), (12, 2370835), (15, 1896668), (20, 1422501), (30, 948334), (60, 474167), (163, 174540), (326, 87270), (489, 58180), (652, 43635), (815, 34908), (978, 29090), (1630, 17454), (1956, 14545), (2445, 11636), (2909, 9780), (3260, 8727), (4890, 5818)]