20090630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7757}}^1$

素因数の和:7808

約数の個数: 32

約数和(自身を含む): 42451776

約数和(自身を除く): 22361146

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 7757, 15514, 38785, 54299, 77570, 108598, 271495, 287009, 542990, 574018, 1435045, 2009063, 2870090, 4018126, 10045315, 20090630]

約数ペア:

[(1, 20090630), (2, 10045315), (5, 4018126), (7, 2870090), (10, 2009063), (14, 1435045), (35, 574018), (37, 542990), (70, 287009), (74, 271495), (185, 108598), (259, 77570), (370, 54299), (518, 38785), (1295, 15514), (2590, 7757)]