66717140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2137}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 160914432

約数和(自身を除く): 94197292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2137, 2230, 3122, 4274, 4460, 6244, 7805, 8548, 10685, 14959, 15610, 21370, 29918, 31220, 42740, 59836, 74795, 149590, 299180, 476551, 953102, 1906204, 2382755, 3335857, 4765510, 6671714, 9531020, 13343428, 16679285, 33358570, 66717140]

約数ペア:

[(1, 66717140), (2, 33358570), (4, 16679285), (5, 13343428), (7, 9531020), (10, 6671714), (14, 4765510), (20, 3335857), (28, 2382755), (35, 1906204), (70, 953102), (140, 476551), (223, 299180), (446, 149590), (892, 74795), (1115, 59836), (1561, 42740), (2137, 31220), (2230, 29918), (3122, 21370), (4274, 15610), (4460, 14959), (6244, 10685), (7805, 8548)]