290644480

素因数分解:

$2^9\times 5^1\times 7^3\times {\mathrm{331}}^1$

素因数の和:375

約数の個数: 160

約数和(自身を含む): 815126400

約数和(自身を除く): 524481920

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, 331, 343, 392, 448, 490, 512, 560, 640, 662, 686, 784, 896, 980, 1120, 1280, 1324, 1372, 1568, 1655, 1715, 1792, 1960, 2240, 2317, 2560, 2648, 2744, 3136, 3310, 3430, 3584, 3920, 4480, 4634, 5296, 5488, 6272, 6620, 6860, 7840, 8960, 9268, 10592, 10976, 11585, 12544, 13240, 13720, 15680, 16219, 17920, 18536, 21184, 21952, 23170, 25088, 26480, 27440, 31360, 32438, 37072, 42368, 43904, 46340, 52960, 54880, 62720, 64876, 74144, 81095, 84736, 87808, 92680, 105920, 109760, 113533, 125440, 129752, 148288, 162190, 169472, 175616, 185360, 211840, 219520, 227066, 259504, 296576, 324380, 370720, 423680, 439040, 454132, 519008, 567665, 593152, 648760, 741440, 847360, 878080, 908264, 1038016, 1135330, 1186304, 1297520, 1482880, 1816528, 2076032, 2270660, 2595040, 2965760, 3633056, 4152064, 4541320, 5190080, 5931520, 7266112, 8304128, 9082640, 10380160, 14532224, 18165280, 20760320, 29064448, 36330560, 41520640, 58128896, 72661120, 145322240, 290644480]

約数ペア:

[(1, 290644480), (2, 145322240), (4, 72661120), (5, 58128896), (7, 41520640), (8, 36330560), (10, 29064448), (14, 20760320), (16, 18165280), (20, 14532224), (28, 10380160), (32, 9082640), (35, 8304128), (40, 7266112), (49, 5931520), (56, 5190080), (64, 4541320), (70, 4152064), (80, 3633056), (98, 2965760), (112, 2595040), (128, 2270660), (140, 2076032), (160, 1816528), (196, 1482880), (224, 1297520), (245, 1186304), (256, 1135330), (280, 1038016), (320, 908264), (331, 878080), (343, 847360), (392, 741440), (448, 648760), (490, 593152), (512, 567665), (560, 519008), (640, 454132), (662, 439040), (686, 423680), (784, 370720), (896, 324380), (980, 296576), (1120, 259504), (1280, 227066), (1324, 219520), (1372, 211840), (1568, 185360), (1655, 175616), (1715, 169472), (1792, 162190), (1960, 148288), (2240, 129752), (2317, 125440), (2560, 113533), (2648, 109760), (2744, 105920), (3136, 92680), (3310, 87808), (3430, 84736), (3584, 81095), (3920, 74144), (4480, 64876), (4634, 62720), (5296, 54880), (5488, 52960), (6272, 46340), (6620, 43904), (6860, 42368), (7840, 37072), (8960, 32438), (9268, 31360), (10592, 27440), (10976, 26480), (11585, 25088), (12544, 23170), (13240, 21952), (13720, 21184), (15680, 18536), (16219, 17920)]