284058880

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{647}}^1$

素因数の和:689

約数の個数: 144

約数和(自身を含む): 794707200

約数和(自身を除く): 510648320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 640, 647, 686, 784, 896, 980, 1120, 1280, 1294, 1372, 1568, 1715, 1792, 1960, 2240, 2588, 2744, 3136, 3235, 3430, 3920, 4480, 4529, 5176, 5488, 6272, 6470, 6860, 7840, 8960, 9058, 10352, 10976, 12544, 12940, 13720, 15680, 18116, 20704, 21952, 22645, 25880, 27440, 31360, 31703, 36232, 41408, 43904, 45290, 51760, 54880, 62720, 63406, 72464, 82816, 87808, 90580, 103520, 109760, 126812, 144928, 158515, 165632, 181160, 207040, 219520, 221921, 253624, 289856, 317030, 362320, 414080, 439040, 443842, 507248, 579712, 634060, 724640, 828160, 887684, 1014496, 1109605, 1159424, 1268120, 1449280, 1775368, 2028992, 2219210, 2536240, 2898560, 3550736, 4057984, 4438420, 5072480, 5797120, 7101472, 8115968, 8876840, 10144960, 14202944, 17753680, 20289920, 28405888, 35507360, 40579840, 56811776, 71014720, 142029440, 284058880]

約数ペア:

[(1, 284058880), (2, 142029440), (4, 71014720), (5, 56811776), (7, 40579840), (8, 35507360), (10, 28405888), (14, 20289920), (16, 17753680), (20, 14202944), (28, 10144960), (32, 8876840), (35, 8115968), (40, 7101472), (49, 5797120), (56, 5072480), (64, 4438420), (70, 4057984), (80, 3550736), (98, 2898560), (112, 2536240), (128, 2219210), (140, 2028992), (160, 1775368), (196, 1449280), (224, 1268120), (245, 1159424), (256, 1109605), (280, 1014496), (320, 887684), (343, 828160), (392, 724640), (448, 634060), (490, 579712), (560, 507248), (640, 443842), (647, 439040), (686, 414080), (784, 362320), (896, 317030), (980, 289856), (1120, 253624), (1280, 221921), (1294, 219520), (1372, 207040), (1568, 181160), (1715, 165632), (1792, 158515), (1960, 144928), (2240, 126812), (2588, 109760), (2744, 103520), (3136, 90580), (3235, 87808), (3430, 82816), (3920, 72464), (4480, 63406), (4529, 62720), (5176, 54880), (5488, 51760), (6272, 45290), (6470, 43904), (6860, 41408), (7840, 36232), (8960, 31703), (9058, 31360), (10352, 27440), (10976, 25880), (12544, 22645), (12940, 21952), (13720, 20704), (15680, 18116)]