209197620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{387403}}^1$

素因数の和:387421

約数の個数: 48

約数和(自身を含む): 650838720

約数和(自身を除く): 441641100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 387403, 774806, 1162209, 1549612, 1937015, 2324418, 3486627, 3874030, 4648836, 5811045, 6973254, 7748060, 10459881, 11622090, 13946508, 17433135, 20919762, 23244180, 34866270, 41839524, 52299405, 69732540, 104598810, 209197620]

約数ペア:

[(1, 209197620), (2, 104598810), (3, 69732540), (4, 52299405), (5, 41839524), (6, 34866270), (9, 23244180), (10, 20919762), (12, 17433135), (15, 13946508), (18, 11622090), (20, 10459881), (27, 7748060), (30, 6973254), (36, 5811045), (45, 4648836), (54, 3874030), (60, 3486627), (90, 2324418), (108, 1937015), (135, 1549612), (180, 1162209), (270, 774806), (540, 387403)]