78357970

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1\times {\mathrm{499}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 145152000

約数和(自身を除く): 66794030

約数列:

[1, 2, 5, 10, 41, 82, 205, 383, 410, 499, 766, 998, 1915, 2495, 3830, 4990, 15703, 20459, 31406, 40918, 78515, 102295, 157030, 191117, 204590, 382234, 955585, 1911170, 7835797, 15671594, 39178985, 78357970]

約数ペア:

[(1, 78357970), (2, 39178985), (5, 15671594), (10, 7835797), (41, 1911170), (82, 955585), (205, 382234), (383, 204590), (410, 191117), (499, 157030), (766, 102295), (998, 78515), (1915, 40918), (2495, 31406), (3830, 20459), (4990, 15703)]