1288595980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9204257}}^1$

素因数の和:9204273

約数の個数: 24

約数和(自身を含む): 3092630688

約数和(自身を除く): 1804034708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9204257, 18408514, 36817028, 46021285, 64429799, 92042570, 128859598, 184085140, 257719196, 322148995, 644297990, 1288595980]

約数ペア:

[(1, 1288595980), (2, 644297990), (4, 322148995), (5, 257719196), (7, 184085140), (10, 128859598), (14, 92042570), (20, 64429799), (28, 46021285), (35, 36817028), (70, 18408514), (140, 9204257)]