7160020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 17337600

約数和(自身を除く): 10177580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 257, 398, 514, 796, 995, 1028, 1285, 1393, 1799, 1990, 2570, 2786, 3598, 3980, 5140, 5572, 6965, 7196, 8995, 13930, 17990, 27860, 35980, 51143, 102286, 204572, 255715, 358001, 511430, 716002, 1022860, 1432004, 1790005, 3580010, 7160020]

約数ペア:

[(1, 7160020), (2, 3580010), (4, 1790005), (5, 1432004), (7, 1022860), (10, 716002), (14, 511430), (20, 358001), (28, 255715), (35, 204572), (70, 102286), (140, 51143), (199, 35980), (257, 27860), (398, 17990), (514, 13930), (796, 8995), (995, 7196), (1028, 6965), (1285, 5572), (1393, 5140), (1799, 3980), (1990, 3598), (2570, 2786)]