115100020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 282884616

約数和(自身を除く): 167784596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 257, 457, 490, 514, 914, 980, 1028, 1285, 1799, 1828, 2285, 2570, 3199, 3598, 4570, 5140, 6398, 7196, 8995, 9140, 12593, 12796, 15995, 17990, 22393, 25186, 31990, 35980, 44786, 50372, 62965, 63980, 89572, 111965, 117449, 125930, 223930, 234898, 251860, 447860, 469796, 587245, 822143, 1174490, 1644286, 2348980, 3288572, 4110715, 5755001, 8221430, 11510002, 16442860, 23020004, 28775005, 57550010, 115100020]

約数ペア:

[(1, 115100020), (2, 57550010), (4, 28775005), (5, 23020004), (7, 16442860), (10, 11510002), (14, 8221430), (20, 5755001), (28, 4110715), (35, 3288572), (49, 2348980), (70, 1644286), (98, 1174490), (140, 822143), (196, 587245), (245, 469796), (257, 447860), (457, 251860), (490, 234898), (514, 223930), (914, 125930), (980, 117449), (1028, 111965), (1285, 89572), (1799, 63980), (1828, 62965), (2285, 50372), (2570, 44786), (3199, 35980), (3598, 31990), (4570, 25186), (5140, 22393), (6398, 17990), (7196, 15995), (8995, 12796), (9140, 12593)]