201557780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1931}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 449862336

約数和(自身を除く): 248304556

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 307, 340, 614, 1228, 1535, 1931, 3070, 3862, 5219, 6140, 7724, 9655, 10438, 19310, 20876, 26095, 32827, 38620, 52190, 65654, 104380, 131308, 164135, 328270, 592817, 656540, 1185634, 2371268, 2964085, 5928170, 10077889, 11856340, 20155778, 40311556, 50389445, 100778890, 201557780]

約数ペア:

[(1, 201557780), (2, 100778890), (4, 50389445), (5, 40311556), (10, 20155778), (17, 11856340), (20, 10077889), (34, 5928170), (68, 2964085), (85, 2371268), (170, 1185634), (307, 656540), (340, 592817), (614, 328270), (1228, 164135), (1535, 131308), (1931, 104380), (3070, 65654), (3862, 52190), (5219, 38620), (6140, 32827), (7724, 26095), (9655, 20876), (10438, 19310)]