128980250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{10529}}^1$

素因数の和:10560

約数の個数: 48

約数和(自身を含む): 280898280

約数和(自身を除く): 151918030

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 125, 175, 245, 250, 350, 490, 875, 1225, 1750, 2450, 6125, 10529, 12250, 21058, 52645, 73703, 105290, 147406, 263225, 368515, 515921, 526450, 737030, 1031842, 1316125, 1842575, 2579605, 2632250, 3685150, 5159210, 9212875, 12898025, 18425750, 25796050, 64490125, 128980250]

約数ペア:

[(1, 128980250), (2, 64490125), (5, 25796050), (7, 18425750), (10, 12898025), (14, 9212875), (25, 5159210), (35, 3685150), (49, 2632250), (50, 2579605), (70, 1842575), (98, 1316125), (125, 1031842), (175, 737030), (245, 526450), (250, 515921), (350, 368515), (490, 263225), (875, 147406), (1225, 105290), (1750, 73703), (2450, 52645), (6125, 21058), (10529, 12250)]