87496430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{2969}}^1$

素因数の和:3404

約数の個数: 32

約数和(自身を含む): 180480960

約数和(自身を除く): 92984530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 842, 2105, 2947, 2969, 4210, 5894, 5938, 14735, 14845, 20783, 29470, 29690, 41566, 103915, 207830, 1249949, 2499898, 6249745, 8749643, 12499490, 17499286, 43748215, 87496430]

約数ペア:

[(1, 87496430), (2, 43748215), (5, 17499286), (7, 12499490), (10, 8749643), (14, 6249745), (35, 2499898), (70, 1249949), (421, 207830), (842, 103915), (2105, 41566), (2947, 29690), (2969, 29470), (4210, 20783), (5894, 14845), (5938, 14735)]