30980810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2819}}^1$

素因数の和:2990

約数の個数: 32

約数和(自身を含む): 64160640

約数和(自身を除く): 33179830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 2819, 5495, 5638, 10990, 14095, 19733, 28190, 39466, 98665, 197330, 442583, 885166, 2212915, 3098081, 4425830, 6196162, 15490405, 30980810]

約数ペア:

[(1, 30980810), (2, 15490405), (5, 6196162), (7, 4425830), (10, 3098081), (14, 2212915), (35, 885166), (70, 442583), (157, 197330), (314, 98665), (785, 39466), (1099, 28190), (1570, 19733), (2198, 14095), (2819, 10990), (5495, 5638)]