68729420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1669}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 151502400

約数和(自身を除く): 82772980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 1669, 2059, 3338, 4118, 6676, 8236, 8345, 10295, 16690, 20590, 33380, 41180, 48401, 96802, 118499, 193604, 236998, 242005, 473996, 484010, 592495, 968020, 1184990, 2369980, 3436471, 6872942, 13745884, 17182355, 34364710, 68729420]

約数ペア:

[(1, 68729420), (2, 34364710), (4, 17182355), (5, 13745884), (10, 6872942), (20, 3436471), (29, 2369980), (58, 1184990), (71, 968020), (116, 592495), (142, 484010), (145, 473996), (284, 242005), (290, 236998), (355, 193604), (580, 118499), (710, 96802), (1420, 48401), (1669, 41180), (2059, 33380), (3338, 20590), (4118, 16690), (6676, 10295), (8236, 8345)]