280967590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{9203}}^1$

素因数の和:9324

約数の個数: 32

約数和(自身を含む): 524848896

約数和(自身を除く): 243881306

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 710, 3053, 6106, 9203, 15265, 18406, 30530, 46015, 92030, 395729, 653413, 791458, 1306826, 1978645, 3267065, 3957290, 6534130, 28096759, 56193518, 140483795, 280967590]

約数ペア:

[(1, 280967590), (2, 140483795), (5, 56193518), (10, 28096759), (43, 6534130), (71, 3957290), (86, 3267065), (142, 1978645), (215, 1306826), (355, 791458), (430, 653413), (710, 395729), (3053, 92030), (6106, 46015), (9203, 30530), (15265, 18406)]