250380800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 120

約数和(自身を含む): 641363712

約数和(自身を除く): 390982912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 631, 640, 775, 800, 992, 1240, 1262, 1280, 1550, 1600, 1984, 2480, 2524, 2560, 3100, 3155, 3200, 3968, 4960, 5048, 6200, 6310, 6400, 7936, 9920, 10096, 12400, 12620, 12800, 15775, 15872, 19561, 19840, 20192, 24800, 25240, 31550, 39122, 39680, 40384, 49600, 50480, 63100, 78244, 79360, 80768, 97805, 99200, 100960, 126200, 156488, 161536, 195610, 198400, 201920, 252400, 312976, 323072, 391220, 396800, 403840, 489025, 504800, 625952, 782440, 807680, 978050, 1009600, 1251904, 1564880, 1615360, 1956100, 2019200, 2503808, 3129760, 3912200, 4038400, 5007616, 6259520, 7824400, 8076800, 10015232, 12519040, 15648800, 25038080, 31297600, 50076160, 62595200, 125190400, 250380800]

約数ペア:

[(1, 250380800), (2, 125190400), (4, 62595200), (5, 50076160), (8, 31297600), (10, 25038080), (16, 15648800), (20, 12519040), (25, 10015232), (31, 8076800), (32, 7824400), (40, 6259520), (50, 5007616), (62, 4038400), (64, 3912200), (80, 3129760), (100, 2503808), (124, 2019200), (128, 1956100), (155, 1615360), (160, 1564880), (200, 1251904), (248, 1009600), (256, 978050), (310, 807680), (320, 782440), (400, 625952), (496, 504800), (512, 489025), (620, 403840), (631, 396800), (640, 391220), (775, 323072), (800, 312976), (992, 252400), (1240, 201920), (1262, 198400), (1280, 195610), (1550, 161536), (1600, 156488), (1984, 126200), (2480, 100960), (2524, 99200), (2560, 97805), (3100, 80768), (3155, 79360), (3200, 78244), (3968, 63100), (4960, 50480), (5048, 49600), (6200, 40384), (6310, 39680), (6400, 39122), (7936, 31550), (9920, 25240), (10096, 24800), (12400, 20192), (12620, 19840), (12800, 19561), (15775, 15872)]