30676940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1361}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 78255072

約数和(自身を除く): 47578132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1361, 1610, 2254, 2722, 3220, 4508, 5444, 5635, 6805, 9527, 11270, 13610, 19054, 22540, 27220, 31303, 38108, 47635, 62606, 66689, 95270, 125212, 133378, 156515, 190540, 219121, 266756, 313030, 333445, 438242, 626060, 666890, 876484, 1095605, 1333780, 1533847, 2191210, 3067694, 4382420, 6135388, 7669235, 15338470, 30676940]

約数ペア:

[(1, 30676940), (2, 15338470), (4, 7669235), (5, 6135388), (7, 4382420), (10, 3067694), (14, 2191210), (20, 1533847), (23, 1333780), (28, 1095605), (35, 876484), (46, 666890), (49, 626060), (70, 438242), (92, 333445), (98, 313030), (115, 266756), (140, 219121), (161, 190540), (196, 156515), (230, 133378), (245, 125212), (322, 95270), (460, 66689), (490, 62606), (644, 47635), (805, 38108), (980, 31303), (1127, 27220), (1361, 22540), (1610, 19054), (2254, 13610), (2722, 11270), (3220, 9527), (4508, 6805), (5444, 5635)]