78305990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3169}}^1$

素因数の和:3536

約数の個数: 32

約数和(自身を含む): 161593920

約数和(自身を除く): 83287930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 353, 706, 1765, 2471, 3169, 3530, 4942, 6338, 12355, 15845, 22183, 24710, 31690, 44366, 110915, 221830, 1118657, 2237314, 5593285, 7830599, 11186570, 15661198, 39152995, 78305990]

約数ペア:

[(1, 78305990), (2, 39152995), (5, 15661198), (7, 11186570), (10, 7830599), (14, 5593285), (35, 2237314), (70, 1118657), (353, 221830), (706, 110915), (1765, 44366), (2471, 31690), (3169, 24710), (3530, 22183), (4942, 15845), (6338, 12355)]