394010240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 1110412800

約数和(自身を除く): 716402560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 29, 32, 40, 46, 52, 58, 64, 65, 71, 80, 92, 104, 115, 116, 128, 130, 142, 145, 160, 184, 208, 230, 232, 260, 284, 290, 299, 320, 355, 368, 377, 416, 460, 464, 520, 568, 580, 598, 640, 667, 710, 736, 754, 832, 920, 923, 928, 1040, 1136, 1160, 1196, 1334, 1420, 1472, 1495, 1508, 1633, 1664, 1840, 1846, 1856, 1885, 2059, 2080, 2272, 2320, 2392, 2668, 2840, 2944, 2990, 3016, 3266, 3335, 3680, 3692, 3712, 3770, 4118, 4160, 4544, 4615, 4640, 4784, 5336, 5680, 5980, 6032, 6532, 6670, 7360, 7384, 7540, 8165, 8236, 8320, 8671, 9088, 9230, 9280, 9568, 10295, 10672, 11360, 11960, 12064, 13064, 13340, 14720, 14768, 15080, 16330, 16472, 17342, 18460, 18560, 19136, 20590, 21229, 21344, 22720, 23920, 24128, 26128, 26680, 26767, 29536, 30160, 32660, 32944, 34684, 36920, 38272, 41180, 42458, 42688, 43355, 45440, 47357, 47840, 48256, 52256, 53360, 53534, 59072, 60320, 65320, 65888, 69368, 73840, 82360, 84916, 85376, 86710, 94714, 95680, 104512, 106145, 106720, 107068, 118144, 120640, 130640, 131776, 133835, 138736, 147680, 164720, 169832, 173420, 189428, 191360, 209024, 212290, 213440, 214136, 236785, 241280, 261280, 263552, 267670, 277472, 295360, 329440, 339664, 346840, 378856, 424580, 426880, 428272, 473570, 522560, 535340, 554944, 590720, 615641, 658880, 679328, 693680, 757712, 849160, 856544, 947140, 1045120, 1070680, 1109888, 1231282, 1317760, 1358656, 1387360, 1515424, 1698320, 1713088, 1894280, 2141360, 2462564, 2717312, 2774720, 3030848, 3078205, 3396640, 3426176, 3788560, 4282720, 4925128, 5549440, 6061696, 6156410, 6793280, 7577120, 8565440, 9850256, 12312820, 13586560, 15154240, 17130880, 19700512, 24625640, 30308480, 39401024, 49251280, 78802048, 98502560, 197005120, 394010240]

約数ペア:

[(1, 394010240), (2, 197005120), (4, 98502560), (5, 78802048), (8, 49251280), (10, 39401024), (13, 30308480), (16, 24625640), (20, 19700512), (23, 17130880), (26, 15154240), (29, 13586560), (32, 12312820), (40, 9850256), (46, 8565440), (52, 7577120), (58, 6793280), (64, 6156410), (65, 6061696), (71, 5549440), (80, 4925128), (92, 4282720), (104, 3788560), (115, 3426176), (116, 3396640), (128, 3078205), (130, 3030848), (142, 2774720), (145, 2717312), (160, 2462564), (184, 2141360), (208, 1894280), (230, 1713088), (232, 1698320), (260, 1515424), (284, 1387360), (290, 1358656), (299, 1317760), (320, 1231282), (355, 1109888), (368, 1070680), (377, 1045120), (416, 947140), (460, 856544), (464, 849160), (520, 757712), (568, 693680), (580, 679328), (598, 658880), (640, 615641), (667, 590720), (710, 554944), (736, 535340), (754, 522560), (832, 473570), (920, 428272), (923, 426880), (928, 424580), (1040, 378856), (1136, 346840), (1160, 339664), (1196, 329440), (1334, 295360), (1420, 277472), (1472, 267670), (1495, 263552), (1508, 261280), (1633, 241280), (1664, 236785), (1840, 214136), (1846, 213440), (1856, 212290), (1885, 209024), (2059, 191360), (2080, 189428), (2272, 173420), (2320, 169832), (2392, 164720), (2668, 147680), (2840, 138736), (2944, 133835), (2990, 131776), (3016, 130640), (3266, 120640), (3335, 118144), (3680, 107068), (3692, 106720), (3712, 106145), (3770, 104512), (4118, 95680), (4160, 94714), (4544, 86710), (4615, 85376), (4640, 84916), (4784, 82360), (5336, 73840), (5680, 69368), (5980, 65888), (6032, 65320), (6532, 60320), (6670, 59072), (7360, 53534), (7384, 53360), (7540, 52256), (8165, 48256), (8236, 47840), (8320, 47357), (8671, 45440), (9088, 43355), (9230, 42688), (9280, 42458), (9568, 41180), (10295, 38272), (10672, 36920), (11360, 34684), (11960, 32944), (12064, 32660), (13064, 30160), (13340, 29536), (14720, 26767), (14768, 26680), (15080, 26128), (16330, 24128), (16472, 23920), (17342, 22720), (18460, 21344), (18560, 21229), (19136, 20590)]