77379820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3433}}^1$

素因数の和:3479

約数の個数: 72

約数和(自身を含む): 197303904

約数和(自身を除く): 119924084

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, 1610, 2254, 3220, 3433, 4508, 5635, 6866, 11270, 13732, 17165, 22540, 24031, 34330, 48062, 68660, 78959, 96124, 120155, 157918, 168217, 240310, 315836, 336434, 394795, 480620, 552713, 672868, 789590, 841085, 1105426, 1579180, 1682170, 2210852, 2763565, 3364340, 3868991, 5527130, 7737982, 11054260, 15475964, 19344955, 38689910, 77379820]

約数ペア:

[(1, 77379820), (2, 38689910), (4, 19344955), (5, 15475964), (7, 11054260), (10, 7737982), (14, 5527130), (20, 3868991), (23, 3364340), (28, 2763565), (35, 2210852), (46, 1682170), (49, 1579180), (70, 1105426), (92, 841085), (98, 789590), (115, 672868), (140, 552713), (161, 480620), (196, 394795), (230, 336434), (245, 315836), (322, 240310), (460, 168217), (490, 157918), (644, 120155), (805, 96124), (980, 78959), (1127, 68660), (1610, 48062), (2254, 34330), (3220, 24031), (3433, 22540), (4508, 17165), (5635, 13732), (6866, 11270)]