1407140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 3716160

約数和(自身を除く): 2309020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 437, 460, 529, 532, 644, 665, 805, 874, 1058, 1330, 1610, 1748, 2116, 2185, 2645, 2660, 3059, 3220, 3703, 4370, 5290, 6118, 7406, 8740, 10051, 10580, 12236, 14812, 15295, 18515, 20102, 30590, 37030, 40204, 50255, 61180, 70357, 74060, 100510, 140714, 201020, 281428, 351785, 703570, 1407140]

約数ペア:

[(1, 1407140), (2, 703570), (4, 351785), (5, 281428), (7, 201020), (10, 140714), (14, 100510), (19, 74060), (20, 70357), (23, 61180), (28, 50255), (35, 40204), (38, 37030), (46, 30590), (70, 20102), (76, 18515), (92, 15295), (95, 14812), (115, 12236), (133, 10580), (140, 10051), (161, 8740), (190, 7406), (230, 6118), (266, 5290), (322, 4370), (380, 3703), (437, 3220), (460, 3059), (529, 2660), (532, 2645), (644, 2185), (665, 2116), (805, 1748), (874, 1610), (1058, 1330)]