49990780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1759}}^1$

素因数の和:1811

約数の個数: 72

約数和(自身を含む): 126403200

約数和(自身を除く): 76412420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 1759, 2030, 2842, 3518, 4060, 5684, 7036, 7105, 8795, 12313, 14210, 17590, 24626, 28420, 35180, 49252, 51011, 61565, 86191, 102022, 123130, 172382, 204044, 246260, 255055, 344764, 357077, 430955, 510110, 714154, 861910, 1020220, 1428308, 1723820, 1785385, 2499539, 3570770, 4999078, 7141540, 9998156, 12497695, 24995390, 49990780]

約数ペア:

[(1, 49990780), (2, 24995390), (4, 12497695), (5, 9998156), (7, 7141540), (10, 4999078), (14, 3570770), (20, 2499539), (28, 1785385), (29, 1723820), (35, 1428308), (49, 1020220), (58, 861910), (70, 714154), (98, 510110), (116, 430955), (140, 357077), (145, 344764), (196, 255055), (203, 246260), (245, 204044), (290, 172382), (406, 123130), (490, 102022), (580, 86191), (812, 61565), (980, 51011), (1015, 49252), (1421, 35180), (1759, 28420), (2030, 24626), (2842, 17590), (3518, 14210), (4060, 12313), (5684, 8795), (7036, 7105)]