205181830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{40153}}^1$

素因数の和:40240

約数の個数: 32

約数和(自身を含む): 427881024

約数和(自身を除く): 222699194

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 40153, 80306, 200765, 281071, 401530, 562142, 1405355, 2810710, 2931169, 5862338, 14655845, 20518183, 29311690, 41036366, 102590915, 205181830]

約数ペア:

[(1, 205181830), (2, 102590915), (5, 41036366), (7, 29311690), (10, 20518183), (14, 14655845), (35, 5862338), (70, 2931169), (73, 2810710), (146, 1405355), (365, 562142), (511, 401530), (730, 281071), (1022, 200765), (2555, 80306), (5110, 40153)]