86894780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1087}}^1$

素因数の和:1674

約数の個数: 48

約数和(自身を含む): 209104896

約数和(自身を除く): 122210116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1087, 1142, 2174, 2284, 2855, 3997, 4348, 5435, 5710, 7609, 7994, 10870, 11420, 15218, 15988, 19985, 21740, 30436, 38045, 39970, 76090, 79940, 152180, 620677, 1241354, 2482708, 3103385, 4344739, 6206770, 8689478, 12413540, 17378956, 21723695, 43447390, 86894780]

約数ペア:

[(1, 86894780), (2, 43447390), (4, 21723695), (5, 17378956), (7, 12413540), (10, 8689478), (14, 6206770), (20, 4344739), (28, 3103385), (35, 2482708), (70, 1241354), (140, 620677), (571, 152180), (1087, 79940), (1142, 76090), (2174, 39970), (2284, 38045), (2855, 30436), (3997, 21740), (4348, 19985), (5435, 15988), (5710, 15218), (7609, 11420), (7994, 10870)]