197872020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1099289}}^1$

素因数の和:1099304

約数の個数: 36

約数和(自身を含む): 600212340

約数和(自身を除く): 402340320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1099289, 2198578, 3297867, 4397156, 5496445, 6595734, 9893601, 10992890, 13191468, 16489335, 19787202, 21985780, 32978670, 39574404, 49468005, 65957340, 98936010, 197872020]

約数ペア:

[(1, 197872020), (2, 98936010), (3, 65957340), (4, 49468005), (5, 39574404), (6, 32978670), (9, 21985780), (10, 19787202), (12, 16489335), (15, 13191468), (18, 10992890), (20, 9893601), (30, 6595734), (36, 5496445), (45, 4397156), (60, 3297867), (90, 2198578), (180, 1099289)]