208715780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{114679}}^1$

素因数の和:114708

約数の個数: 48

約数和(自身を含む): 539454720

約数和(自身を除く): 330738940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 114679, 229358, 458716, 573395, 802753, 1146790, 1490827, 1605506, 2293580, 2981654, 3211012, 4013765, 5963308, 7454135, 8027530, 10435789, 14908270, 16055060, 20871578, 29816540, 41743156, 52178945, 104357890, 208715780]

約数ペア:

[(1, 208715780), (2, 104357890), (4, 52178945), (5, 41743156), (7, 29816540), (10, 20871578), (13, 16055060), (14, 14908270), (20, 10435789), (26, 8027530), (28, 7454135), (35, 5963308), (52, 4013765), (65, 3211012), (70, 2981654), (91, 2293580), (130, 1605506), (140, 1490827), (182, 1146790), (260, 802753), (364, 573395), (455, 458716), (910, 229358), (1820, 114679)]