19898100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{22109}}^1$

素因数の和:22129

約数の個数: 54

約数和(自身を含む): 62372310

約数和(自身を除く): 42474210

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 22109, 44218, 66327, 88436, 110545, 132654, 198981, 221090, 265308, 331635, 397962, 442180, 552725, 663270, 795924, 994905, 1105450, 1326540, 1658175, 1989810, 2210900, 3316350, 3979620, 4974525, 6632700, 9949050, 19898100]

約数ペア:

[(1, 19898100), (2, 9949050), (3, 6632700), (4, 4974525), (5, 3979620), (6, 3316350), (9, 2210900), (10, 1989810), (12, 1658175), (15, 1326540), (18, 1105450), (20, 994905), (25, 795924), (30, 663270), (36, 552725), (45, 442180), (50, 397962), (60, 331635), (75, 265308), (90, 221090), (100, 198981), (150, 132654), (180, 110545), (225, 88436), (300, 66327), (450, 44218), (900, 22109)]