210010325

素因数分解:

$5^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1339

約数の個数: 48

約数和(自身を含む): 319920000

約数和(自身を除く): 109909675

約数列:

[1, 5, 7, 19, 25, 35, 49, 95, 133, 175, 245, 343, 475, 665, 931, 1225, 1289, 1715, 3325, 4655, 6445, 6517, 8575, 9023, 23275, 24491, 32225, 32585, 45115, 63161, 122455, 162925, 171437, 225575, 315805, 442127, 612275, 857185, 1200059, 1579025, 2210635, 4285925, 6000295, 8400413, 11053175, 30001475, 42002065, 210010325]

約数ペア:

[(1, 210010325), (5, 42002065), (7, 30001475), (19, 11053175), (25, 8400413), (35, 6000295), (49, 4285925), (95, 2210635), (133, 1579025), (175, 1200059), (245, 857185), (343, 612275), (475, 442127), (665, 315805), (931, 225575), (1225, 171437), (1289, 162925), (1715, 122455), (3325, 63161), (4655, 45115), (6445, 32585), (6517, 32225), (8575, 24491), (9023, 23275)]