77878460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15391}}^1$

素因数の和:15434

約数の個数: 48

約数和(自身を含む): 186181632

約数和(自身を除く): 108303172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 15391, 30782, 61564, 76955, 153910, 169301, 307820, 338602, 353993, 677204, 707986, 846505, 1415972, 1693010, 1769965, 3386020, 3539930, 3893923, 7079860, 7787846, 15575692, 19469615, 38939230, 77878460]

約数ペア:

[(1, 77878460), (2, 38939230), (4, 19469615), (5, 15575692), (10, 7787846), (11, 7079860), (20, 3893923), (22, 3539930), (23, 3386020), (44, 1769965), (46, 1693010), (55, 1415972), (92, 846505), (110, 707986), (115, 677204), (220, 353993), (230, 338602), (253, 307820), (460, 169301), (506, 153910), (1012, 76955), (1265, 61564), (2530, 30782), (5060, 15391)]