198280960

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 518031360

約数和(自身を除く): 319750400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 263, 304, 310, 320, 380, 496, 526, 589, 608, 620, 640, 760, 992, 1052, 1178, 1216, 1240, 1280, 1315, 1520, 1984, 2104, 2356, 2432, 2480, 2630, 2945, 3040, 3968, 4208, 4712, 4864, 4960, 4997, 5260, 5890, 6080, 7936, 8153, 8416, 9424, 9920, 9994, 10520, 11780, 12160, 16306, 16832, 18848, 19840, 19988, 21040, 23560, 24320, 24985, 32612, 33664, 37696, 39680, 39976, 40765, 42080, 47120, 49970, 65224, 67328, 75392, 79952, 81530, 84160, 94240, 99940, 130448, 150784, 154907, 159904, 163060, 168320, 188480, 199880, 260896, 309814, 319808, 326120, 336640, 376960, 399760, 521792, 619628, 639616, 652240, 753920, 774535, 799520, 1043584, 1239256, 1279232, 1304480, 1549070, 1599040, 2087168, 2478512, 2608960, 3098140, 3198080, 4957024, 5217920, 6196280, 6396160, 9914048, 10435840, 12392560, 19828096, 24785120, 39656192, 49570240, 99140480, 198280960]

約数ペア:

[(1, 198280960), (2, 99140480), (4, 49570240), (5, 39656192), (8, 24785120), (10, 19828096), (16, 12392560), (19, 10435840), (20, 9914048), (31, 6396160), (32, 6196280), (38, 5217920), (40, 4957024), (62, 3198080), (64, 3098140), (76, 2608960), (80, 2478512), (95, 2087168), (124, 1599040), (128, 1549070), (152, 1304480), (155, 1279232), (160, 1239256), (190, 1043584), (248, 799520), (256, 774535), (263, 753920), (304, 652240), (310, 639616), (320, 619628), (380, 521792), (496, 399760), (526, 376960), (589, 336640), (608, 326120), (620, 319808), (640, 309814), (760, 260896), (992, 199880), (1052, 188480), (1178, 168320), (1216, 163060), (1240, 159904), (1280, 154907), (1315, 150784), (1520, 130448), (1984, 99940), (2104, 94240), (2356, 84160), (2432, 81530), (2480, 79952), (2630, 75392), (2945, 67328), (3040, 65224), (3968, 49970), (4208, 47120), (4712, 42080), (4864, 40765), (4960, 39976), (4997, 39680), (5260, 37696), (5890, 33664), (6080, 32612), (7936, 24985), (8153, 24320), (8416, 23560), (9424, 21040), (9920, 19988), (9994, 19840), (10520, 18848), (11780, 16832), (12160, 16306)]