340875260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 802690560

約数和(自身を除く): 461815300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 139, 142, 157, 220, 278, 284, 314, 355, 556, 628, 695, 710, 781, 785, 1390, 1420, 1529, 1562, 1570, 1727, 2780, 3058, 3124, 3140, 3454, 3905, 6116, 6908, 7645, 7810, 8635, 9869, 11147, 15290, 15620, 17270, 19738, 21823, 22294, 30580, 34540, 39476, 43646, 44588, 49345, 55735, 87292, 98690, 108559, 109115, 111470, 122617, 197380, 217118, 218230, 222940, 240053, 245234, 434236, 436460, 480106, 490468, 542795, 613085, 960212, 1085590, 1200265, 1226170, 1549433, 2171180, 2400530, 2452340, 3098866, 4801060, 6197732, 7747165, 15494330, 17043763, 30988660, 34087526, 68175052, 85218815, 170437630, 340875260]

約数ペア:

[(1, 340875260), (2, 170437630), (4, 85218815), (5, 68175052), (10, 34087526), (11, 30988660), (20, 17043763), (22, 15494330), (44, 7747165), (55, 6197732), (71, 4801060), (110, 3098866), (139, 2452340), (142, 2400530), (157, 2171180), (220, 1549433), (278, 1226170), (284, 1200265), (314, 1085590), (355, 960212), (556, 613085), (628, 542795), (695, 490468), (710, 480106), (781, 436460), (785, 434236), (1390, 245234), (1420, 240053), (1529, 222940), (1562, 218230), (1570, 217118), (1727, 197380), (2780, 122617), (3058, 111470), (3124, 109115), (3140, 108559), (3454, 98690), (3905, 87292), (6116, 55735), (6908, 49345), (7645, 44588), (7810, 43646), (8635, 39476), (9869, 34540), (11147, 30580), (15290, 22294), (15620, 21823), (17270, 19738)]