156715940

素因数分解:

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

素因数の和:932

約数の個数: 48

約数和(自身を含む): 338688000

約数和(自身を除く): 181972060

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 383, 410, 499, 766, 820, 998, 1532, 1915, 1996, 2495, 3830, 4990, 7660, 9980, 15703, 20459, 31406, 40918, 62812, 78515, 81836, 102295, 157030, 191117, 204590, 314060, 382234, 409180, 764468, 955585, 1911170, 3822340, 7835797, 15671594, 31343188, 39178985, 78357970, 156715940]

約数ペア:

[(1, 156715940), (2, 78357970), (4, 39178985), (5, 31343188), (10, 15671594), (20, 7835797), (41, 3822340), (82, 1911170), (164, 955585), (205, 764468), (383, 409180), (410, 382234), (499, 314060), (766, 204590), (820, 191117), (998, 157030), (1532, 102295), (1915, 81836), (1996, 78515), (2495, 62812), (3830, 40918), (4990, 31406), (7660, 20459), (9980, 15703)]