287149060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{12923}}^1$

素因数の和:13044

約数の個数: 48

約数和(自身を含む): 664396992

約数和(自身を除く): 377247932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 12923, 22220, 25846, 51692, 64615, 129230, 142153, 258460, 284306, 568612, 710765, 1305223, 1421530, 2610446, 2843060, 5220892, 6526115, 13052230, 14357453, 26104460, 28714906, 57429812, 71787265, 143574530, 287149060]

約数ペア:

[(1, 287149060), (2, 143574530), (4, 71787265), (5, 57429812), (10, 28714906), (11, 26104460), (20, 14357453), (22, 13052230), (44, 6526115), (55, 5220892), (101, 2843060), (110, 2610446), (202, 1421530), (220, 1305223), (404, 710765), (505, 568612), (1010, 284306), (1111, 258460), (2020, 142153), (2222, 129230), (4444, 64615), (5555, 51692), (11110, 25846), (12923, 22220)]