68664890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42649}}^1$

素因数の和:42686

約数の個数: 32

約数和(自身を含む): 147398400

約数和(自身を除く): 78733510

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 42649, 85298, 213245, 298543, 426490, 597086, 980927, 1492715, 1961854, 2985430, 4904635, 6866489, 9809270, 13732978, 34332445, 68664890]

約数ペア:

[(1, 68664890), (2, 34332445), (5, 13732978), (7, 9809270), (10, 6866489), (14, 4904635), (23, 2985430), (35, 1961854), (46, 1492715), (70, 980927), (115, 597086), (161, 426490), (230, 298543), (322, 213245), (805, 85298), (1610, 42649)]