79887220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1423}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 192342528

約数和(自身を除く): 112455308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1423, 1604, 2005, 2807, 2846, 4010, 5614, 5692, 7115, 8020, 9961, 11228, 14035, 14230, 19922, 28070, 28460, 39844, 49805, 56140, 99610, 199220, 570623, 1141246, 2282492, 2853115, 3994361, 5706230, 7988722, 11412460, 15977444, 19971805, 39943610, 79887220]

約数ペア:

[(1, 79887220), (2, 39943610), (4, 19971805), (5, 15977444), (7, 11412460), (10, 7988722), (14, 5706230), (20, 3994361), (28, 2853115), (35, 2282492), (70, 1141246), (140, 570623), (401, 199220), (802, 99610), (1423, 56140), (1604, 49805), (2005, 39844), (2807, 28460), (2846, 28070), (4010, 19922), (5614, 14230), (5692, 14035), (7115, 11228), (8020, 9961)]