290621440

素因数分解:

$2^{11}\times 5^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 706731480

約数和(自身を除く): 416110040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 281, 320, 404, 505, 512, 562, 640, 808, 1010, 1024, 1124, 1280, 1405, 1616, 2020, 2048, 2248, 2560, 2810, 3232, 4040, 4496, 5120, 5620, 6464, 8080, 8992, 10240, 11240, 12928, 16160, 17984, 22480, 25856, 28381, 32320, 35968, 44960, 51712, 56762, 64640, 71936, 89920, 103424, 113524, 129280, 141905, 143872, 179840, 206848, 227048, 258560, 283810, 287744, 359680, 454096, 517120, 567620, 575488, 719360, 908192, 1034240, 1135240, 1438720, 1816384, 2270480, 2877440, 3632768, 4540960, 7265536, 9081920, 14531072, 18163840, 29062144, 36327680, 58124288, 72655360, 145310720, 290621440]

約数ペア:

[(1, 290621440), (2, 145310720), (4, 72655360), (5, 58124288), (8, 36327680), (10, 29062144), (16, 18163840), (20, 14531072), (32, 9081920), (40, 7265536), (64, 4540960), (80, 3632768), (101, 2877440), (128, 2270480), (160, 1816384), (202, 1438720), (256, 1135240), (281, 1034240), (320, 908192), (404, 719360), (505, 575488), (512, 567620), (562, 517120), (640, 454096), (808, 359680), (1010, 287744), (1024, 283810), (1124, 258560), (1280, 227048), (1405, 206848), (1616, 179840), (2020, 143872), (2048, 141905), (2248, 129280), (2560, 113524), (2810, 103424), (3232, 89920), (4040, 71936), (4496, 64640), (5120, 56762), (5620, 51712), (6464, 44960), (8080, 35968), (8992, 32320), (10240, 28381), (11240, 25856), (12928, 22480), (16160, 17984)]