2196200

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 5208000

約数和(自身を除く): 3011800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 139, 158, 200, 278, 316, 395, 556, 632, 695, 790, 1112, 1390, 1580, 1975, 2780, 3160, 3475, 3950, 5560, 6950, 7900, 10981, 13900, 15800, 21962, 27800, 43924, 54905, 87848, 109810, 219620, 274525, 439240, 549050, 1098100, 2196200]

約数ペア:

[(1, 2196200), (2, 1098100), (4, 549050), (5, 439240), (8, 274525), (10, 219620), (20, 109810), (25, 87848), (40, 54905), (50, 43924), (79, 27800), (100, 21962), (139, 15800), (158, 13900), (200, 10981), (278, 7900), (316, 6950), (395, 5560), (556, 3950), (632, 3475), (695, 3160), (790, 2780), (1112, 1975), (1390, 1580)]