28405950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9967}}^1$

素因数の和:10001

約数の個数: 48

約数和(自身を含む): 74161920

約数和(自身を除く): 45755970

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 9967, 19934, 29901, 49835, 59802, 99670, 149505, 189373, 249175, 299010, 378746, 498350, 568119, 747525, 946865, 1136238, 1495050, 1893730, 2840595, 4734325, 5681190, 9468650, 14202975, 28405950]

約数ペア:

[(1, 28405950), (2, 14202975), (3, 9468650), (5, 5681190), (6, 4734325), (10, 2840595), (15, 1893730), (19, 1495050), (25, 1136238), (30, 946865), (38, 747525), (50, 568119), (57, 498350), (75, 378746), (95, 299010), (114, 249175), (150, 189373), (190, 149505), (285, 99670), (475, 59802), (570, 49835), (950, 29901), (1425, 19934), (2850, 9967)]