308331520

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{1229}}^1$

素因数の和:1268

約数の個数: 132

約数和(自身を含む): 861091020

約数和(自身を除く): 552759500

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, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1229, 1280, 1568, 1792, 1960, 2240, 2458, 2560, 3136, 3584, 3920, 4480, 4916, 5120, 6145, 6272, 7168, 7840, 8603, 8960, 9832, 12290, 12544, 15680, 17206, 17920, 19664, 24580, 25088, 31360, 34412, 35840, 39328, 43015, 49160, 50176, 60221, 62720, 68824, 78656, 86030, 98320, 120442, 125440, 137648, 157312, 172060, 196640, 240884, 250880, 275296, 301105, 314624, 344120, 393280, 481768, 550592, 602210, 629248, 688240, 786560, 963536, 1101184, 1204420, 1258496, 1376480, 1573120, 1927072, 2202368, 2408840, 2752960, 3146240, 3854144, 4404736, 4817680, 5505920, 6292480, 7708288, 8809472, 9635360, 11011840, 15416576, 19270720, 22023680, 30833152, 38541440, 44047360, 61666304, 77082880, 154165760, 308331520]

約数ペア:

[(1, 308331520), (2, 154165760), (4, 77082880), (5, 61666304), (7, 44047360), (8, 38541440), (10, 30833152), (14, 22023680), (16, 19270720), (20, 15416576), (28, 11011840), (32, 9635360), (35, 8809472), (40, 7708288), (49, 6292480), (56, 5505920), (64, 4817680), (70, 4404736), (80, 3854144), (98, 3146240), (112, 2752960), (128, 2408840), (140, 2202368), (160, 1927072), (196, 1573120), (224, 1376480), (245, 1258496), (256, 1204420), (280, 1101184), (320, 963536), (392, 786560), (448, 688240), (490, 629248), (512, 602210), (560, 550592), (640, 481768), (784, 393280), (896, 344120), (980, 314624), (1024, 301105), (1120, 275296), (1229, 250880), (1280, 240884), (1568, 196640), (1792, 172060), (1960, 157312), (2240, 137648), (2458, 125440), (2560, 120442), (3136, 98320), (3584, 86030), (3920, 78656), (4480, 68824), (4916, 62720), (5120, 60221), (6145, 50176), (6272, 49160), (7168, 43015), (7840, 39328), (8603, 35840), (8960, 34412), (9832, 31360), (12290, 25088), (12544, 24580), (15680, 19664), (17206, 17920)]