215545210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{2647}}^1$

素因数の和:3150

約数の個数: 32

約数和(自身を含む): 411816960

約数和(自身を除く): 196271750

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 479, 958, 2395, 2647, 4790, 5294, 8143, 13235, 16286, 26470, 40715, 44999, 81430, 89998, 224995, 449990, 1267913, 2535826, 6339565, 12679130, 21554521, 43109042, 107772605, 215545210]

約数ペア:

[(1, 215545210), (2, 107772605), (5, 43109042), (10, 21554521), (17, 12679130), (34, 6339565), (85, 2535826), (170, 1267913), (479, 449990), (958, 224995), (2395, 89998), (2647, 81430), (4790, 44999), (5294, 40715), (8143, 26470), (13235, 16286)]