30936920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 80032320

約数和(自身を除く): 49095400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 313, 353, 626, 706, 1252, 1412, 1565, 1765, 2191, 2471, 2504, 2824, 3130, 3530, 4382, 4942, 6260, 7060, 8764, 9884, 10955, 12355, 12520, 14120, 17528, 19768, 21910, 24710, 43820, 49420, 87640, 98840, 110489, 220978, 441956, 552445, 773423, 883912, 1104890, 1546846, 2209780, 3093692, 3867115, 4419560, 6187384, 7734230, 15468460, 30936920]

約数ペア:

[(1, 30936920), (2, 15468460), (4, 7734230), (5, 6187384), (7, 4419560), (8, 3867115), (10, 3093692), (14, 2209780), (20, 1546846), (28, 1104890), (35, 883912), (40, 773423), (56, 552445), (70, 441956), (140, 220978), (280, 110489), (313, 98840), (353, 87640), (626, 49420), (706, 43820), (1252, 24710), (1412, 21910), (1565, 19768), (1765, 17528), (2191, 14120), (2471, 12520), (2504, 12355), (2824, 10955), (3130, 9884), (3530, 8764), (4382, 7060), (4942, 6260)]