138700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:106

約数の個数: 36

約数和(自身を含む): 321160

約数和(自身を除く): 182460

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 73, 76, 95, 100, 146, 190, 292, 365, 380, 475, 730, 950, 1387, 1460, 1825, 1900, 2774, 3650, 5548, 6935, 7300, 13870, 27740, 34675, 69350, 138700]

約数ペア:

[(1, 138700), (2, 69350), (4, 34675), (5, 27740), (10, 13870), (19, 7300), (20, 6935), (25, 5548), (38, 3650), (50, 2774), (73, 1900), (76, 1825), (95, 1460), (100, 1387), (146, 950), (190, 730), (292, 475), (365, 380)]