218535520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{195121}}^1$

素因数の和:195143

約数の個数: 48

約数和(自身を含む): 590048928

約数和(自身を除く): 371513408

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, 195121, 390242, 780484, 975605, 1365847, 1560968, 1951210, 2731694, 3121936, 3902420, 5463388, 6243872, 6829235, 7804840, 10926776, 13658470, 15609680, 21853552, 27316940, 31219360, 43707104, 54633880, 109267760, 218535520]

約数ペア:

[(1, 218535520), (2, 109267760), (4, 54633880), (5, 43707104), (7, 31219360), (8, 27316940), (10, 21853552), (14, 15609680), (16, 13658470), (20, 10926776), (28, 7804840), (32, 6829235), (35, 6243872), (40, 5463388), (56, 3902420), (70, 3121936), (80, 2731694), (112, 1951210), (140, 1560968), (160, 1365847), (224, 975605), (280, 780484), (560, 390242), (1120, 195121)]