248215520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{221621}}^1$

素因数の和:221643

約数の個数: 48

約数和(自身を含む): 670184928

約数和(自身を除く): 421969408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 221621, 443242, 886484, 1108105, 1551347, 1772968, 2216210, 3102694, 3545936, 4432420, 6205388, 7091872, 7756735, 8864840, 12410776, 15513470, 17729680, 24821552, 31026940, 35459360, 49643104, 62053880, 124107760, 248215520]

約数ペア:

[(1, 248215520), (2, 124107760), (4, 62053880), (5, 49643104), (7, 35459360), (8, 31026940), (10, 24821552), (14, 17729680), (16, 15513470), (20, 12410776), (28, 8864840), (32, 7756735), (35, 7091872), (40, 6205388), (56, 4432420), (70, 3545936), (80, 3102694), (112, 2216210), (140, 1772968), (160, 1551347), (224, 1108105), (280, 886484), (560, 443242), (1120, 221621)]