2983750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 80

約数和(自身を含む): 7197696

約数和(自身を除く): 4213946

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 31, 35, 50, 55, 62, 70, 77, 110, 125, 154, 155, 175, 217, 250, 275, 310, 341, 350, 385, 434, 550, 625, 682, 770, 775, 875, 1085, 1250, 1375, 1550, 1705, 1750, 1925, 2170, 2387, 2750, 3410, 3850, 3875, 4375, 4774, 5425, 6875, 7750, 8525, 8750, 9625, 10850, 11935, 13750, 17050, 19250, 19375, 23870, 27125, 38750, 42625, 48125, 54250, 59675, 85250, 96250, 119350, 135625, 213125, 271250, 298375, 426250, 596750, 1491875, 2983750]

約数ペア:

[(1, 2983750), (2, 1491875), (5, 596750), (7, 426250), (10, 298375), (11, 271250), (14, 213125), (22, 135625), (25, 119350), (31, 96250), (35, 85250), (50, 59675), (55, 54250), (62, 48125), (70, 42625), (77, 38750), (110, 27125), (125, 23870), (154, 19375), (155, 19250), (175, 17050), (217, 13750), (250, 11935), (275, 10850), (310, 9625), (341, 8750), (350, 8525), (385, 7750), (434, 6875), (550, 5425), (625, 4774), (682, 4375), (770, 3875), (775, 3850), (875, 3410), (1085, 2750), (1250, 2387), (1375, 2170), (1550, 1925), (1705, 1750)]