7885970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 14929920

約数和(自身を除く): 7043950

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 383, 710, 766, 1915, 2059, 3830, 4118, 10295, 11107, 20590, 22214, 27193, 54386, 55535, 111070, 135965, 271930, 788597, 1577194, 3942985, 7885970]

約数ペア:

[(1, 7885970), (2, 3942985), (5, 1577194), (10, 788597), (29, 271930), (58, 135965), (71, 111070), (142, 55535), (145, 54386), (290, 27193), (355, 22214), (383, 20590), (710, 11107), (766, 10295), (1915, 4118), (2059, 3830)]