200360020

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{29207}}^1$

素因数の和:29237

約数の個数: 48

約数和(自身を含む): 490694400

約数和(自身を除く): 290334380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 29207, 58414, 116828, 146035, 204449, 292070, 408898, 584140, 817796, 1022245, 1431143, 2044490, 2862286, 4088980, 5724572, 7155715, 10018001, 14311430, 20036002, 28622860, 40072004, 50090005, 100180010, 200360020]

約数ペア:

[(1, 200360020), (2, 100180010), (4, 50090005), (5, 40072004), (7, 28622860), (10, 20036002), (14, 14311430), (20, 10018001), (28, 7155715), (35, 5724572), (49, 4088980), (70, 2862286), (98, 2044490), (140, 1431143), (196, 1022245), (245, 817796), (343, 584140), (490, 408898), (686, 292070), (980, 204449), (1372, 146035), (1715, 116828), (3430, 58414), (6860, 29207)]