2019292820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{10427}}^1$

素因数の和:10880

約数の個数: 48

約数和(自身を含む): 4435820928

約数和(自身を除く): 2416528108

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 421, 460, 842, 1684, 2105, 4210, 8420, 9683, 10427, 19366, 20854, 38732, 41708, 48415, 52135, 96830, 104270, 193660, 208540, 239821, 479642, 959284, 1199105, 2398210, 4389767, 4796420, 8779534, 17559068, 21948835, 43897670, 87795340, 100964641, 201929282, 403858564, 504823205, 1009646410, 2019292820]

約数ペア:

[(1, 2019292820), (2, 1009646410), (4, 504823205), (5, 403858564), (10, 201929282), (20, 100964641), (23, 87795340), (46, 43897670), (92, 21948835), (115, 17559068), (230, 8779534), (421, 4796420), (460, 4389767), (842, 2398210), (1684, 1199105), (2105, 959284), (4210, 479642), (8420, 239821), (9683, 208540), (10427, 193660), (19366, 104270), (20854, 96830), (38732, 52135), (41708, 48415)]