31107860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222199}}^1$

素因数の和:222215

約数の個数: 24

約数和(自身を含む): 74659200

約数和(自身を除く): 43551340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222199, 444398, 888796, 1110995, 1555393, 2221990, 3110786, 4443980, 6221572, 7776965, 15553930, 31107860]

約数ペア:

[(1, 31107860), (2, 15553930), (4, 7776965), (5, 6221572), (7, 4443980), (10, 3110786), (14, 2221990), (20, 1555393), (28, 1110995), (35, 888796), (70, 444398), (140, 222199)]