420804986

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{2141}}^1$

素因数の和:2390

約数の個数: 32

約数和(自身を含む): 734106240

約数和(自身を除く): 313301254

約数列:

[1, 2, 7, 14, 101, 139, 202, 278, 707, 973, 1414, 1946, 2141, 4282, 14039, 14987, 28078, 29974, 98273, 196546, 216241, 297599, 432482, 595198, 1513687, 2083193, 3027374, 4166386, 30057499, 60114998, 210402493, 420804986]

約数ペア:

[(1, 420804986), (2, 210402493), (7, 60114998), (14, 30057499), (101, 4166386), (139, 3027374), (202, 2083193), (278, 1513687), (707, 595198), (973, 432482), (1414, 297599), (1946, 216241), (2141, 196546), (4282, 98273), (14039, 29974), (14987, 28078)]