7142030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:668

約数の個数: 32

約数和(自身を含む): 14786496

約数和(自身を除く): 7644466

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 397, 514, 794, 1285, 1799, 1985, 2570, 2779, 3598, 3970, 5558, 8995, 13895, 17990, 27790, 102029, 204058, 510145, 714203, 1020290, 1428406, 3571015, 7142030]

約数ペア:

[(1, 7142030), (2, 3571015), (5, 1428406), (7, 1020290), (10, 714203), (14, 510145), (35, 204058), (70, 102029), (257, 27790), (397, 17990), (514, 13895), (794, 8995), (1285, 5558), (1799, 3970), (1985, 3598), (2570, 2779)]