171777340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{7621}}^1$

素因数の和:7667

約数の個数: 72

約数和(自身を含む): 437929632

約数和(自身を除く): 266152292

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, 4508, 5635, 7621, 11270, 15242, 22540, 30484, 38105, 53347, 76210, 106694, 152420, 175283, 213388, 266735, 350566, 373429, 533470, 701132, 746858, 876415, 1066940, 1226981, 1493716, 1752830, 1867145, 2453962, 3505660, 3734290, 4907924, 6134905, 7468580, 8588867, 12269810, 17177734, 24539620, 34355468, 42944335, 85888670, 171777340]

約数ペア:

[(1, 171777340), (2, 85888670), (4, 42944335), (5, 34355468), (7, 24539620), (10, 17177734), (14, 12269810), (20, 8588867), (23, 7468580), (28, 6134905), (35, 4907924), (46, 3734290), (49, 3505660), (70, 2453962), (92, 1867145), (98, 1752830), (115, 1493716), (140, 1226981), (161, 1066940), (196, 876415), (230, 746858), (245, 701132), (322, 533470), (460, 373429), (490, 350566), (644, 266735), (805, 213388), (980, 175283), (1127, 152420), (1610, 106694), (2254, 76210), (3220, 53347), (4508, 38105), (5635, 30484), (7621, 22540), (11270, 15242)]