388850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 910656

約数和(自身を除く): 521806

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 101, 110, 154, 175, 202, 275, 350, 385, 505, 550, 707, 770, 1010, 1111, 1414, 1925, 2222, 2525, 3535, 3850, 5050, 5555, 7070, 7777, 11110, 15554, 17675, 27775, 35350, 38885, 55550, 77770, 194425, 388850]

約数ペア:

[(1, 388850), (2, 194425), (5, 77770), (7, 55550), (10, 38885), (11, 35350), (14, 27775), (22, 17675), (25, 15554), (35, 11110), (50, 7777), (55, 7070), (70, 5555), (77, 5050), (101, 3850), (110, 3535), (154, 2525), (175, 2222), (202, 1925), (275, 1414), (350, 1111), (385, 1010), (505, 770), (550, 707)]