686987140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{132623}}^1$

素因数の和:132676

約数の個数: 48

約数和(自身を含む): 1693343232

約数和(自身を除く): 1006356092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 132623, 265246, 530492, 663115, 928361, 1326230, 1856722, 2652460, 3713444, 4641805, 4907051, 9283610, 9814102, 18567220, 19628204, 24535255, 34349357, 49070510, 68698714, 98141020, 137397428, 171746785, 343493570, 686987140]

約数ペア:

[(1, 686987140), (2, 343493570), (4, 171746785), (5, 137397428), (7, 98141020), (10, 68698714), (14, 49070510), (20, 34349357), (28, 24535255), (35, 19628204), (37, 18567220), (70, 9814102), (74, 9283610), (140, 4907051), (148, 4641805), (185, 3713444), (259, 2652460), (370, 1856722), (518, 1326230), (740, 928361), (1036, 663115), (1295, 530492), (2590, 265246), (5180, 132623)]