47640740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:477

約数の個数: 72

約数和(自身を含む): 117468792

約数和(自身を除く): 69828052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 173, 196, 245, 281, 346, 490, 562, 692, 865, 980, 1124, 1211, 1405, 1730, 1967, 2422, 2810, 3460, 3934, 4844, 5620, 6055, 7868, 8477, 9835, 12110, 13769, 16954, 19670, 24220, 27538, 33908, 39340, 42385, 48613, 55076, 68845, 84770, 97226, 137690, 169540, 194452, 243065, 275380, 340291, 486130, 680582, 972260, 1361164, 1701455, 2382037, 3402910, 4764074, 6805820, 9528148, 11910185, 23820370, 47640740]

約数ペア:

[(1, 47640740), (2, 23820370), (4, 11910185), (5, 9528148), (7, 6805820), (10, 4764074), (14, 3402910), (20, 2382037), (28, 1701455), (35, 1361164), (49, 972260), (70, 680582), (98, 486130), (140, 340291), (173, 275380), (196, 243065), (245, 194452), (281, 169540), (346, 137690), (490, 97226), (562, 84770), (692, 68845), (865, 55076), (980, 48613), (1124, 42385), (1211, 39340), (1405, 33908), (1730, 27538), (1967, 24220), (2422, 19670), (2810, 16954), (3460, 13769), (3934, 12110), (4844, 9835), (5620, 8477), (6055, 7868)]