30898840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 79983360

約数和(自身を除く): 49084520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 523, 844, 1046, 1055, 1477, 1688, 2092, 2110, 2615, 2954, 3661, 4184, 4220, 5230, 5908, 7322, 7385, 8440, 10460, 11816, 14644, 14770, 18305, 20920, 29288, 29540, 36610, 59080, 73220, 110353, 146440, 220706, 441412, 551765, 772471, 882824, 1103530, 1544942, 2207060, 3089884, 3862355, 4414120, 6179768, 7724710, 15449420, 30898840]

約数ペア:

[(1, 30898840), (2, 15449420), (4, 7724710), (5, 6179768), (7, 4414120), (8, 3862355), (10, 3089884), (14, 2207060), (20, 1544942), (28, 1103530), (35, 882824), (40, 772471), (56, 551765), (70, 441412), (140, 220706), (211, 146440), (280, 110353), (422, 73220), (523, 59080), (844, 36610), (1046, 29540), (1055, 29288), (1477, 20920), (1688, 18305), (2092, 14770), (2110, 14644), (2615, 11816), (2954, 10460), (3661, 8440), (4184, 7385), (4220, 7322), (5230, 5908)]