398357760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{457}}^1$

素因数の和:708

約数の個数: 144

約数和(自身を含む): 1280655936

約数和(自身を除く): 882298176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 227, 240, 256, 320, 384, 454, 457, 480, 640, 681, 768, 908, 914, 960, 1135, 1280, 1362, 1371, 1816, 1828, 1920, 2270, 2285, 2724, 2742, 3405, 3632, 3656, 3840, 4540, 4570, 5448, 5484, 6810, 6855, 7264, 7312, 9080, 9140, 10896, 10968, 13620, 13710, 14528, 14624, 18160, 18280, 21792, 21936, 27240, 27420, 29056, 29248, 36320, 36560, 43584, 43872, 54480, 54840, 58112, 58496, 72640, 73120, 87168, 87744, 103739, 108960, 109680, 116992, 145280, 146240, 174336, 175488, 207478, 217920, 219360, 290560, 292480, 311217, 350976, 414956, 435840, 438720, 518695, 584960, 622434, 829912, 871680, 877440, 1037390, 1244868, 1556085, 1659824, 1754880, 2074780, 2489736, 3112170, 3319648, 4149560, 4979472, 6224340, 6639296, 8299120, 9958944, 12448680, 13278592, 16598240, 19917888, 24897360, 26557184, 33196480, 39835776, 49794720, 66392960, 79671552, 99589440, 132785920, 199178880, 398357760]

約数ペア:

[(1, 398357760), (2, 199178880), (3, 132785920), (4, 99589440), (5, 79671552), (6, 66392960), (8, 49794720), (10, 39835776), (12, 33196480), (15, 26557184), (16, 24897360), (20, 19917888), (24, 16598240), (30, 13278592), (32, 12448680), (40, 9958944), (48, 8299120), (60, 6639296), (64, 6224340), (80, 4979472), (96, 4149560), (120, 3319648), (128, 3112170), (160, 2489736), (192, 2074780), (227, 1754880), (240, 1659824), (256, 1556085), (320, 1244868), (384, 1037390), (454, 877440), (457, 871680), (480, 829912), (640, 622434), (681, 584960), (768, 518695), (908, 438720), (914, 435840), (960, 414956), (1135, 350976), (1280, 311217), (1362, 292480), (1371, 290560), (1816, 219360), (1828, 217920), (1920, 207478), (2270, 175488), (2285, 174336), (2724, 146240), (2742, 145280), (3405, 116992), (3632, 109680), (3656, 108960), (3840, 103739), (4540, 87744), (4570, 87168), (5448, 73120), (5484, 72640), (6810, 58496), (6855, 58112), (7264, 54840), (7312, 54480), (9080, 43872), (9140, 43584), (10896, 36560), (10968, 36320), (13620, 29248), (13710, 29056), (14528, 27420), (14624, 27240), (18160, 21936), (18280, 21792)]