398379960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3469}}^1$

素因数の和:3526

約数の個数: 192

約数和(自身を含む): 1461564000

約数和(自身を除く): 1063184040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 132, 145, 165, 174, 180, 198, 220, 232, 261, 264, 290, 319, 330, 348, 360, 396, 435, 440, 495, 522, 580, 638, 660, 696, 792, 870, 957, 990, 1044, 1160, 1276, 1305, 1320, 1595, 1740, 1914, 1980, 2088, 2552, 2610, 2871, 3190, 3469, 3480, 3828, 3960, 4785, 5220, 5742, 6380, 6938, 7656, 9570, 10407, 10440, 11484, 12760, 13876, 14355, 17345, 19140, 20814, 22968, 27752, 28710, 31221, 34690, 38159, 38280, 41628, 52035, 57420, 62442, 69380, 76318, 83256, 100601, 104070, 114477, 114840, 124884, 138760, 152636, 156105, 190795, 201202, 208140, 228954, 249768, 301803, 305272, 312210, 343431, 381590, 402404, 416280, 457908, 503005, 572385, 603606, 624420, 686862, 763180, 804808, 905409, 915816, 1006010, 1106611, 1144770, 1207212, 1248840, 1373724, 1509015, 1526360, 1717155, 1810818, 2012020, 2213222, 2289540, 2414424, 2747448, 3018030, 3319833, 3434310, 3621636, 4024040, 4426444, 4527045, 4579080, 5533055, 6036060, 6639666, 6868620, 7243272, 8852888, 9054090, 9959499, 11066110, 12072120, 13279332, 13737240, 16599165, 18108180, 19918998, 22132220, 26558664, 33198330, 36216360, 39837996, 44264440, 49797495, 66396660, 79675992, 99594990, 132793320, 199189980, 398379960]

約数ペア:

[(1, 398379960), (2, 199189980), (3, 132793320), (4, 99594990), (5, 79675992), (6, 66396660), (8, 49797495), (9, 44264440), (10, 39837996), (11, 36216360), (12, 33198330), (15, 26558664), (18, 22132220), (20, 19918998), (22, 18108180), (24, 16599165), (29, 13737240), (30, 13279332), (33, 12072120), (36, 11066110), (40, 9959499), (44, 9054090), (45, 8852888), (55, 7243272), (58, 6868620), (60, 6639666), (66, 6036060), (72, 5533055), (87, 4579080), (88, 4527045), (90, 4426444), (99, 4024040), (110, 3621636), (116, 3434310), (120, 3319833), (132, 3018030), (145, 2747448), (165, 2414424), (174, 2289540), (180, 2213222), (198, 2012020), (220, 1810818), (232, 1717155), (261, 1526360), (264, 1509015), (290, 1373724), (319, 1248840), (330, 1207212), (348, 1144770), (360, 1106611), (396, 1006010), (435, 915816), (440, 905409), (495, 804808), (522, 763180), (580, 686862), (638, 624420), (660, 603606), (696, 572385), (792, 503005), (870, 457908), (957, 416280), (990, 402404), (1044, 381590), (1160, 343431), (1276, 312210), (1305, 305272), (1320, 301803), (1595, 249768), (1740, 228954), (1914, 208140), (1980, 201202), (2088, 190795), (2552, 156105), (2610, 152636), (2871, 138760), (3190, 124884), (3469, 114840), (3480, 114477), (3828, 104070), (3960, 100601), (4785, 83256), (5220, 76318), (5742, 69380), (6380, 62442), (6938, 57420), (7656, 52035), (9570, 41628), (10407, 38280), (10440, 38159), (11484, 34690), (12760, 31221), (13876, 28710), (14355, 27752), (17345, 22968), (19140, 20814)]