28491260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10711}}^1$

素因数の和:10746

約数の個数: 48

約数和(自身を含む): 71984640

約数和(自身を除く): 43493380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 10711, 21422, 42844, 53555, 74977, 107110, 149954, 203509, 214220, 299908, 374885, 407018, 749770, 814036, 1017545, 1424563, 1499540, 2035090, 2849126, 4070180, 5698252, 7122815, 14245630, 28491260]

約数ペア:

[(1, 28491260), (2, 14245630), (4, 7122815), (5, 5698252), (7, 4070180), (10, 2849126), (14, 2035090), (19, 1499540), (20, 1424563), (28, 1017545), (35, 814036), (38, 749770), (70, 407018), (76, 374885), (95, 299908), (133, 214220), (140, 203509), (190, 149954), (266, 107110), (380, 74977), (532, 53555), (665, 42844), (1330, 21422), (2660, 10711)]