2918020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 7378560

約数和(自身を除く): 4460540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1097, 1330, 2194, 2660, 4388, 5485, 7679, 10970, 15358, 20843, 21940, 30716, 38395, 41686, 76790, 83372, 104215, 145901, 153580, 208430, 291802, 416860, 583604, 729505, 1459010, 2918020]

約数ペア:

[(1, 2918020), (2, 1459010), (4, 729505), (5, 583604), (7, 416860), (10, 291802), (14, 208430), (19, 153580), (20, 145901), (28, 104215), (35, 83372), (38, 76790), (70, 41686), (76, 38395), (95, 30716), (133, 21940), (140, 20843), (190, 15358), (266, 10970), (380, 7679), (532, 5485), (665, 4388), (1097, 2660), (1330, 2194)]