28855340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 63806400

約数和(自身を除く): 34951060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 230, 298, 421, 460, 596, 745, 842, 1490, 1684, 2105, 2980, 3427, 4210, 6854, 8420, 9683, 13708, 17135, 19366, 34270, 38732, 48415, 62729, 68540, 96830, 125458, 193660, 250916, 313645, 627290, 1254580, 1442767, 2885534, 5771068, 7213835, 14427670, 28855340]

約数ペア:

[(1, 28855340), (2, 14427670), (4, 7213835), (5, 5771068), (10, 2885534), (20, 1442767), (23, 1254580), (46, 627290), (92, 313645), (115, 250916), (149, 193660), (230, 125458), (298, 96830), (421, 68540), (460, 62729), (596, 48415), (745, 38732), (842, 34270), (1490, 19366), (1684, 17135), (2105, 13708), (2980, 9683), (3427, 8420), (4210, 6854)]