427177580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{4153}}^1$

素因数の和:4338

約数の個数: 48

約数和(自身を含む): 928169760

約数和(自身を除く): 500992180

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 695, 740, 1390, 2780, 4153, 5143, 8306, 10286, 16612, 20572, 20765, 25715, 41530, 51430, 83060, 102860, 153661, 307322, 577267, 614644, 768305, 1154534, 1536610, 2309068, 2886335, 3073220, 5772670, 11545340, 21358879, 42717758, 85435516, 106794395, 213588790, 427177580]

約数ペア:

[(1, 427177580), (2, 213588790), (4, 106794395), (5, 85435516), (10, 42717758), (20, 21358879), (37, 11545340), (74, 5772670), (139, 3073220), (148, 2886335), (185, 2309068), (278, 1536610), (370, 1154534), (556, 768305), (695, 614644), (740, 577267), (1390, 307322), (2780, 153661), (4153, 102860), (5143, 83060), (8306, 51430), (10286, 41530), (16612, 25715), (20572, 20765)]