220503420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1225019}}^1$

素因数の和:1225034

約数の個数: 36

約数和(自身を含む): 668860920

約数和(自身を除く): 448357500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1225019, 2450038, 3675057, 4900076, 6125095, 7350114, 11025171, 12250190, 14700228, 18375285, 22050342, 24500380, 36750570, 44100684, 55125855, 73501140, 110251710, 220503420]

約数ペア:

[(1, 220503420), (2, 110251710), (3, 73501140), (4, 55125855), (5, 44100684), (6, 36750570), (9, 24500380), (10, 22050342), (12, 18375285), (15, 14700228), (18, 12250190), (20, 11025171), (30, 7350114), (36, 6125095), (45, 4900076), (60, 3675057), (90, 2450038), (180, 1225019)]