198528440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{451201}}^1$

素因数の和:451223

約数の個数: 32

約数和(自身を含む): 487298160

約数和(自身を除く): 288769720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 451201, 902402, 1804804, 2256005, 3609608, 4512010, 4963211, 9024020, 9926422, 18048040, 19852844, 24816055, 39705688, 49632110, 99264220, 198528440]

約数ペア:

[(1, 198528440), (2, 99264220), (4, 49632110), (5, 39705688), (8, 24816055), (10, 19852844), (11, 18048040), (20, 9926422), (22, 9024020), (40, 4963211), (44, 4512010), (55, 3609608), (88, 2256005), (110, 1804804), (220, 902402), (440, 451201)]