389657920

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:456

約数の個数: 112

約数和(自身を含む): 969264000

約数和(自身を除く): 579606080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 199, 211, 232, 290, 320, 398, 422, 464, 580, 796, 844, 928, 995, 1055, 1160, 1592, 1688, 1856, 1990, 2110, 2320, 3184, 3376, 3980, 4220, 4640, 5771, 6119, 6368, 6752, 7960, 8440, 9280, 11542, 12238, 12736, 13504, 15920, 16880, 23084, 24476, 28855, 30595, 31840, 33760, 41989, 46168, 48952, 57710, 61190, 63680, 67520, 83978, 92336, 97904, 115420, 122380, 167956, 184672, 195808, 209945, 230840, 244760, 335912, 369344, 391616, 419890, 461680, 489520, 671824, 839780, 923360, 979040, 1217681, 1343648, 1679560, 1846720, 1958080, 2435362, 2687296, 3359120, 4870724, 6088405, 6718240, 9741448, 12176810, 13436480, 19482896, 24353620, 38965792, 48707240, 77931584, 97414480, 194828960, 389657920]

約数ペア:

[(1, 389657920), (2, 194828960), (4, 97414480), (5, 77931584), (8, 48707240), (10, 38965792), (16, 24353620), (20, 19482896), (29, 13436480), (32, 12176810), (40, 9741448), (58, 6718240), (64, 6088405), (80, 4870724), (116, 3359120), (145, 2687296), (160, 2435362), (199, 1958080), (211, 1846720), (232, 1679560), (290, 1343648), (320, 1217681), (398, 979040), (422, 923360), (464, 839780), (580, 671824), (796, 489520), (844, 461680), (928, 419890), (995, 391616), (1055, 369344), (1160, 335912), (1592, 244760), (1688, 230840), (1856, 209945), (1990, 195808), (2110, 184672), (2320, 167956), (3184, 122380), (3376, 115420), (3980, 97904), (4220, 92336), (4640, 83978), (5771, 67520), (6119, 63680), (6368, 61190), (6752, 57710), (7960, 48952), (8440, 46168), (9280, 41989), (11542, 33760), (12238, 31840), (12736, 30595), (13504, 28855), (15920, 24476), (16880, 23084)]