1378300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 3749760

約数和(自身を除く): 2371460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 179, 220, 275, 308, 350, 358, 385, 550, 700, 716, 770, 895, 1100, 1253, 1540, 1790, 1925, 1969, 2506, 3580, 3850, 3938, 4475, 5012, 6265, 7700, 7876, 8950, 9845, 12530, 13783, 17900, 19690, 25060, 27566, 31325, 39380, 49225, 55132, 62650, 68915, 98450, 125300, 137830, 196900, 275660, 344575, 689150, 1378300]

約数ペア:

[(1, 1378300), (2, 689150), (4, 344575), (5, 275660), (7, 196900), (10, 137830), (11, 125300), (14, 98450), (20, 68915), (22, 62650), (25, 55132), (28, 49225), (35, 39380), (44, 31325), (50, 27566), (55, 25060), (70, 19690), (77, 17900), (100, 13783), (110, 12530), (140, 9845), (154, 8950), (175, 7876), (179, 7700), (220, 6265), (275, 5012), (308, 4475), (350, 3938), (358, 3850), (385, 3580), (550, 2506), (700, 1969), (716, 1925), (770, 1790), (895, 1540), (1100, 1253)]