1098100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 36

約数和(自身を含む): 2430400

約数和(自身を除く): 1332300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 139, 158, 278, 316, 395, 556, 695, 790, 1390, 1580, 1975, 2780, 3475, 3950, 6950, 7900, 10981, 13900, 21962, 43924, 54905, 109810, 219620, 274525, 549050, 1098100]

約数ペア:

[(1, 1098100), (2, 549050), (4, 274525), (5, 219620), (10, 109810), (20, 54905), (25, 43924), (50, 21962), (79, 13900), (100, 10981), (139, 7900), (158, 6950), (278, 3950), (316, 3475), (395, 2780), (556, 1975), (695, 1580), (790, 1390)]