1640642710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1\times {\mathrm{727}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 3423393792

約数和(自身を除く): 1782751082

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 313, 515, 626, 721, 727, 1030, 1442, 1454, 1565, 2191, 3130, 3605, 3635, 4382, 5089, 7210, 7270, 10178, 10955, 21910, 25445, 32239, 50890, 64478, 74881, 149762, 161195, 225673, 227551, 322390, 374405, 451346, 455102, 524167, 748810, 1048334, 1128365, 1137755, 1592857, 2256730, 2275510, 2620835, 3185714, 5241670, 7964285, 15928570, 23437753, 46875506, 117188765, 164064271, 234377530, 328128542, 820321355, 1640642710]

約数ペア:

[(1, 1640642710), (2, 820321355), (5, 328128542), (7, 234377530), (10, 164064271), (14, 117188765), (35, 46875506), (70, 23437753), (103, 15928570), (206, 7964285), (313, 5241670), (515, 3185714), (626, 2620835), (721, 2275510), (727, 2256730), (1030, 1592857), (1442, 1137755), (1454, 1128365), (1565, 1048334), (2191, 748810), (3130, 524167), (3605, 455102), (3635, 451346), (4382, 374405), (5089, 322390), (7210, 227551), (7270, 225673), (10178, 161195), (10955, 149762), (21910, 74881), (25445, 64478), (32239, 50890)]