140988280

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{13103}}^1$

素因数の和:13383

約数の個数: 32

約数和(自身を含む): 318427200

約数和(自身を除く): 177438920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 13103, 26206, 52412, 65515, 104824, 131030, 262060, 524120, 3524707, 7049414, 14098828, 17623535, 28197656, 35247070, 70494140, 140988280]

約数ペア:

[(1, 140988280), (2, 70494140), (4, 35247070), (5, 28197656), (8, 17623535), (10, 14098828), (20, 7049414), (40, 3524707), (269, 524120), (538, 262060), (1076, 131030), (1345, 104824), (2152, 65515), (2690, 52412), (5380, 26206), (10760, 13103)]