1397885720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2819}}^1$

素因数の和:2878

約数の個数: 192

約数和(自身を含む): 4166380800

約数和(自身を除く): 2768495080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 49, 55, 56, 70, 77, 88, 92, 98, 110, 115, 140, 154, 161, 184, 196, 220, 230, 245, 253, 280, 308, 322, 385, 392, 440, 460, 490, 506, 539, 616, 644, 770, 805, 920, 980, 1012, 1078, 1127, 1265, 1288, 1540, 1610, 1771, 1960, 2024, 2156, 2254, 2530, 2695, 2819, 3080, 3220, 3542, 4312, 4508, 5060, 5390, 5635, 5638, 6440, 7084, 8855, 9016, 10120, 10780, 11270, 11276, 12397, 14095, 14168, 17710, 19733, 21560, 22540, 22552, 24794, 28190, 31009, 35420, 39466, 45080, 49588, 56380, 61985, 62018, 64837, 70840, 78932, 98665, 99176, 112760, 123970, 124036, 129674, 138131, 155045, 157864, 197330, 217063, 247940, 248072, 259348, 276262, 310090, 324185, 394660, 434126, 453859, 495880, 518696, 552524, 620180, 648370, 690655, 713207, 789320, 868252, 907718, 1085315, 1105048, 1240360, 1296740, 1381310, 1426414, 1519441, 1736504, 1815436, 2170630, 2269295, 2593480, 2762620, 2852828, 3038882, 3177013, 3566035, 3630872, 4341260, 4538590, 4992449, 5525240, 5705656, 6077764, 6354026, 7132070, 7597205, 8682520, 9077180, 9984898, 12155528, 12708052, 14264140, 15194410, 15885065, 18154360, 19969796, 24962245, 25416104, 28528280, 30388820, 31770130, 34947143, 39939592, 49924490, 60777640, 63540260, 69894286, 99848980, 127080520, 139788572, 174735715, 199697960, 279577144, 349471430, 698942860, 1397885720]

約数ペア:

[(1, 1397885720), (2, 698942860), (4, 349471430), (5, 279577144), (7, 199697960), (8, 174735715), (10, 139788572), (11, 127080520), (14, 99848980), (20, 69894286), (22, 63540260), (23, 60777640), (28, 49924490), (35, 39939592), (40, 34947143), (44, 31770130), (46, 30388820), (49, 28528280), (55, 25416104), (56, 24962245), (70, 19969796), (77, 18154360), (88, 15885065), (92, 15194410), (98, 14264140), (110, 12708052), (115, 12155528), (140, 9984898), (154, 9077180), (161, 8682520), (184, 7597205), (196, 7132070), (220, 6354026), (230, 6077764), (245, 5705656), (253, 5525240), (280, 4992449), (308, 4538590), (322, 4341260), (385, 3630872), (392, 3566035), (440, 3177013), (460, 3038882), (490, 2852828), (506, 2762620), (539, 2593480), (616, 2269295), (644, 2170630), (770, 1815436), (805, 1736504), (920, 1519441), (980, 1426414), (1012, 1381310), (1078, 1296740), (1127, 1240360), (1265, 1105048), (1288, 1085315), (1540, 907718), (1610, 868252), (1771, 789320), (1960, 713207), (2024, 690655), (2156, 648370), (2254, 620180), (2530, 552524), (2695, 518696), (2819, 495880), (3080, 453859), (3220, 434126), (3542, 394660), (4312, 324185), (4508, 310090), (5060, 276262), (5390, 259348), (5635, 248072), (5638, 247940), (6440, 217063), (7084, 197330), (8855, 157864), (9016, 155045), (10120, 138131), (10780, 129674), (11270, 124036), (11276, 123970), (12397, 112760), (14095, 99176), (14168, 98665), (17710, 78932), (19733, 70840), (21560, 64837), (22540, 62018), (22552, 61985), (24794, 56380), (28190, 49588), (31009, 45080), (35420, 39466)]