4057900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 11999232

約数和(自身を除く): 7941332

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 31, 34, 35, 44, 50, 55, 62, 68, 70, 77, 85, 100, 110, 119, 124, 140, 154, 155, 170, 175, 187, 217, 220, 238, 275, 308, 310, 340, 341, 350, 374, 385, 425, 434, 476, 527, 550, 595, 620, 682, 700, 748, 770, 775, 850, 868, 935, 1054, 1085, 1100, 1190, 1309, 1364, 1540, 1550, 1700, 1705, 1870, 1925, 2108, 2170, 2380, 2387, 2618, 2635, 2975, 3100, 3410, 3689, 3740, 3850, 4340, 4675, 4774, 5236, 5270, 5425, 5797, 5950, 6545, 6820, 7378, 7700, 8525, 9350, 9548, 10540, 10850, 11594, 11900, 11935, 13090, 13175, 14756, 17050, 18445, 18700, 21700, 23188, 23870, 26180, 26350, 28985, 32725, 34100, 36890, 40579, 47740, 52700, 57970, 59675, 65450, 73780, 81158, 92225, 115940, 119350, 130900, 144925, 162316, 184450, 202895, 238700, 289850, 368900, 405790, 579700, 811580, 1014475, 2028950, 4057900]

約数ペア:

[(1, 4057900), (2, 2028950), (4, 1014475), (5, 811580), (7, 579700), (10, 405790), (11, 368900), (14, 289850), (17, 238700), (20, 202895), (22, 184450), (25, 162316), (28, 144925), (31, 130900), (34, 119350), (35, 115940), (44, 92225), (50, 81158), (55, 73780), (62, 65450), (68, 59675), (70, 57970), (77, 52700), (85, 47740), (100, 40579), (110, 36890), (119, 34100), (124, 32725), (140, 28985), (154, 26350), (155, 26180), (170, 23870), (175, 23188), (187, 21700), (217, 18700), (220, 18445), (238, 17050), (275, 14756), (308, 13175), (310, 13090), (340, 11935), (341, 11900), (350, 11594), (374, 10850), (385, 10540), (425, 9548), (434, 9350), (476, 8525), (527, 7700), (550, 7378), (595, 6820), (620, 6545), (682, 5950), (700, 5797), (748, 5425), (770, 5270), (775, 5236), (850, 4774), (868, 4675), (935, 4340), (1054, 3850), (1085, 3740), (1100, 3689), (1190, 3410), (1309, 3100), (1364, 2975), (1540, 2635), (1550, 2618), (1700, 2387), (1705, 2380), (1870, 2170), (1925, 2108)]