29212240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 71245440

約数和(自身を除く): 42033200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 71, 74, 80, 139, 142, 148, 185, 278, 284, 296, 355, 370, 556, 568, 592, 695, 710, 740, 1112, 1136, 1390, 1420, 1480, 2224, 2627, 2780, 2840, 2960, 5143, 5254, 5560, 5680, 9869, 10286, 10508, 11120, 13135, 19738, 20572, 21016, 25715, 26270, 39476, 41144, 42032, 49345, 51430, 52540, 78952, 82288, 98690, 102860, 105080, 157904, 197380, 205720, 210160, 365153, 394760, 411440, 730306, 789520, 1460612, 1825765, 2921224, 3651530, 5842448, 7303060, 14606120, 29212240]

約数ペア:

[(1, 29212240), (2, 14606120), (4, 7303060), (5, 5842448), (8, 3651530), (10, 2921224), (16, 1825765), (20, 1460612), (37, 789520), (40, 730306), (71, 411440), (74, 394760), (80, 365153), (139, 210160), (142, 205720), (148, 197380), (185, 157904), (278, 105080), (284, 102860), (296, 98690), (355, 82288), (370, 78952), (556, 52540), (568, 51430), (592, 49345), (695, 42032), (710, 41144), (740, 39476), (1112, 26270), (1136, 25715), (1390, 21016), (1420, 20572), (1480, 19738), (2224, 13135), (2627, 11120), (2780, 10508), (2840, 10286), (2960, 9869), (5143, 5680), (5254, 5560)]