315067640

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{81203}}^1$

素因数の和:81311

約数の個数: 32

約数和(自身を含む): 716219280

約数和(自身を除く): 401151640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 81203, 162406, 324812, 406015, 649624, 812030, 1624060, 3248120, 7876691, 15753382, 31506764, 39383455, 63013528, 78766910, 157533820, 315067640]

約数ペア:

[(1, 315067640), (2, 157533820), (4, 78766910), (5, 63013528), (8, 39383455), (10, 31506764), (20, 15753382), (40, 7876691), (97, 3248120), (194, 1624060), (388, 812030), (485, 649624), (776, 406015), (970, 324812), (1940, 162406), (3880, 81203)]