251957440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{112481}}^1$

素因数の和:112505

約数の個数: 56

約数和(自身を含む): 685690272

約数和(自身を除く): 433732832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 112481, 224962, 449924, 562405, 787367, 899848, 1124810, 1574734, 1799696, 2249620, 3149468, 3599392, 3936835, 4499240, 6298936, 7198784, 7873670, 8998480, 12597872, 15747340, 17996960, 25195744, 31494680, 35993920, 50391488, 62989360, 125978720, 251957440]

約数ペア:

[(1, 251957440), (2, 125978720), (4, 62989360), (5, 50391488), (7, 35993920), (8, 31494680), (10, 25195744), (14, 17996960), (16, 15747340), (20, 12597872), (28, 8998480), (32, 7873670), (35, 7198784), (40, 6298936), (56, 4499240), (64, 3936835), (70, 3599392), (80, 3149468), (112, 2249620), (140, 1799696), (160, 1574734), (224, 1124810), (280, 899848), (320, 787367), (448, 562405), (560, 449924), (1120, 224962), (2240, 112481)]