73515220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 157667328

約数和(自身を除く): 84152108

約数列:

[1, 2, 4, 5, 10, 20, 103, 127, 206, 254, 281, 412, 508, 515, 562, 635, 1030, 1124, 1270, 1405, 2060, 2540, 2810, 5620, 13081, 26162, 28943, 35687, 52324, 57886, 65405, 71374, 115772, 130810, 142748, 144715, 178435, 261620, 289430, 356870, 578860, 713740, 3675761, 7351522, 14703044, 18378805, 36757610, 73515220]

約数ペア:

[(1, 73515220), (2, 36757610), (4, 18378805), (5, 14703044), (10, 7351522), (20, 3675761), (103, 713740), (127, 578860), (206, 356870), (254, 289430), (281, 261620), (412, 178435), (508, 144715), (515, 142748), (562, 130810), (635, 115772), (1030, 71374), (1124, 65405), (1270, 57886), (1405, 52324), (2060, 35687), (2540, 28943), (2810, 26162), (5620, 13081)]