320139968

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{263273}}^1$

素因数の和:263304

約数の個数: 28

約数和(自身を含む): 668715960

約数和(自身を除く): 348575992

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 263273, 526546, 1053092, 2106184, 4212368, 5002187, 8424736, 10004374, 16849472, 20008748, 40017496, 80034992, 160069984, 320139968]

約数ペア:

[(1, 320139968), (2, 160069984), (4, 80034992), (8, 40017496), (16, 20008748), (19, 16849472), (32, 10004374), (38, 8424736), (64, 5002187), (76, 4212368), (152, 2106184), (304, 1053092), (608, 526546), (1216, 263273)]