128700950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{401}}^1$

素因数の和:558

約数の個数: 72

約数和(自身を含む): 281292264

約数和(自身を除く): 152591314

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 131, 175, 245, 262, 350, 401, 490, 655, 802, 917, 1225, 1310, 1834, 2005, 2450, 2807, 3275, 4010, 4585, 5614, 6419, 6550, 9170, 10025, 12838, 14035, 19649, 20050, 22925, 28070, 32095, 39298, 45850, 52531, 64190, 70175, 98245, 105062, 140350, 160475, 196490, 262655, 320950, 367717, 491225, 525310, 735434, 982450, 1313275, 1838585, 2574019, 2626550, 3677170, 5148038, 9192925, 12870095, 18385850, 25740190, 64350475, 128700950]

約数ペア:

[(1, 128700950), (2, 64350475), (5, 25740190), (7, 18385850), (10, 12870095), (14, 9192925), (25, 5148038), (35, 3677170), (49, 2626550), (50, 2574019), (70, 1838585), (98, 1313275), (131, 982450), (175, 735434), (245, 525310), (262, 491225), (350, 367717), (401, 320950), (490, 262655), (655, 196490), (802, 160475), (917, 140350), (1225, 105062), (1310, 98245), (1834, 70175), (2005, 64190), (2450, 52531), (2807, 45850), (3275, 39298), (4010, 32095), (4585, 28070), (5614, 22925), (6419, 20050), (6550, 19649), (9170, 14035), (10025, 12838)]