290790400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:374

約数の個数: 132

約数和(自身を含む): 742700728

約数和(自身を除く): 451910328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 74, 80, 100, 128, 148, 160, 185, 200, 256, 296, 307, 320, 370, 400, 512, 592, 614, 640, 740, 800, 925, 1024, 1184, 1228, 1280, 1480, 1535, 1600, 1850, 2368, 2456, 2560, 2960, 3070, 3200, 3700, 4736, 4912, 5120, 5920, 6140, 6400, 7400, 7675, 9472, 9824, 11359, 11840, 12280, 12800, 14800, 15350, 18944, 19648, 22718, 23680, 24560, 25600, 29600, 30700, 37888, 39296, 45436, 47360, 49120, 56795, 59200, 61400, 78592, 90872, 94720, 98240, 113590, 118400, 122800, 157184, 181744, 189440, 196480, 227180, 236800, 245600, 283975, 314368, 363488, 392960, 454360, 473600, 491200, 567950, 726976, 785920, 908720, 947200, 982400, 1135900, 1453952, 1571840, 1817440, 1964800, 2271800, 2907904, 3634880, 3929600, 4543600, 5815808, 7269760, 7859200, 9087200, 11631616, 14539520, 18174400, 29079040, 36348800, 58158080, 72697600, 145395200, 290790400]

約数ペア:

[(1, 290790400), (2, 145395200), (4, 72697600), (5, 58158080), (8, 36348800), (10, 29079040), (16, 18174400), (20, 14539520), (25, 11631616), (32, 9087200), (37, 7859200), (40, 7269760), (50, 5815808), (64, 4543600), (74, 3929600), (80, 3634880), (100, 2907904), (128, 2271800), (148, 1964800), (160, 1817440), (185, 1571840), (200, 1453952), (256, 1135900), (296, 982400), (307, 947200), (320, 908720), (370, 785920), (400, 726976), (512, 567950), (592, 491200), (614, 473600), (640, 454360), (740, 392960), (800, 363488), (925, 314368), (1024, 283975), (1184, 245600), (1228, 236800), (1280, 227180), (1480, 196480), (1535, 189440), (1600, 181744), (1850, 157184), (2368, 122800), (2456, 118400), (2560, 113590), (2960, 98240), (3070, 94720), (3200, 90872), (3700, 78592), (4736, 61400), (4912, 59200), (5120, 56795), (5920, 49120), (6140, 47360), (6400, 45436), (7400, 39296), (7675, 37888), (9472, 30700), (9824, 29600), (11359, 25600), (11840, 24560), (12280, 23680), (12800, 22718), (14800, 19648), (15350, 18944)]