398388480

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{14821}}^1$

素因数の和:14852

約数の個数: 144

約数和(自身を含む): 1454216064

約数和(自身を除く): 1055827584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 14821, 26880, 29642, 44463, 59284, 74105, 88926, 103747, 118568, 148210, 177852, 207494, 222315, 237136, 296420, 311241, 355704, 414988, 444630, 474272, 518735, 592840, 622482, 711408, 829976, 889260, 948544, 1037470, 1185680, 1244964, 1422816, 1556205, 1659952, 1778520, 1897088, 2074940, 2371360, 2489928, 2845632, 3112410, 3319904, 3557040, 3794176, 4149880, 4742720, 4979856, 5691264, 6224820, 6639808, 7114080, 8299760, 9485440, 9959712, 11382528, 12449640, 13279616, 14228160, 16599520, 18970880, 19919424, 24899280, 26559232, 28456320, 33199040, 39838848, 49798560, 56912640, 66398080, 79677696, 99597120, 132796160, 199194240, 398388480]

約数ペア:

[(1, 398388480), (2, 199194240), (3, 132796160), (4, 99597120), (5, 79677696), (6, 66398080), (7, 56912640), (8, 49798560), (10, 39838848), (12, 33199040), (14, 28456320), (15, 26559232), (16, 24899280), (20, 19919424), (21, 18970880), (24, 16599520), (28, 14228160), (30, 13279616), (32, 12449640), (35, 11382528), (40, 9959712), (42, 9485440), (48, 8299760), (56, 7114080), (60, 6639808), (64, 6224820), (70, 5691264), (80, 4979856), (84, 4742720), (96, 4149880), (105, 3794176), (112, 3557040), (120, 3319904), (128, 3112410), (140, 2845632), (160, 2489928), (168, 2371360), (192, 2074940), (210, 1897088), (224, 1778520), (240, 1659952), (256, 1556205), (280, 1422816), (320, 1244964), (336, 1185680), (384, 1037470), (420, 948544), (448, 889260), (480, 829976), (560, 711408), (640, 622482), (672, 592840), (768, 518735), (840, 474272), (896, 444630), (960, 414988), (1120, 355704), (1280, 311241), (1344, 296420), (1680, 237136), (1792, 222315), (1920, 207494), (2240, 177852), (2688, 148210), (3360, 118568), (3840, 103747), (4480, 88926), (5376, 74105), (6720, 59284), (8960, 44463), (13440, 29642), (14821, 26880)]