49992740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 123338880

約数和(自身を除く): 73346140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 367, 490, 556, 695, 734, 973, 980, 1390, 1468, 1835, 1946, 2569, 2780, 3670, 3892, 4865, 5138, 6811, 7340, 9730, 10276, 12845, 13622, 17983, 19460, 25690, 27244, 34055, 35966, 51013, 51380, 68110, 71932, 89915, 102026, 136220, 179830, 204052, 255065, 357091, 359660, 510130, 714182, 1020260, 1428364, 1785455, 2499637, 3570910, 4999274, 7141820, 9998548, 12498185, 24996370, 49992740]

約数ペア:

[(1, 49992740), (2, 24996370), (4, 12498185), (5, 9998548), (7, 7141820), (10, 4999274), (14, 3570910), (20, 2499637), (28, 1785455), (35, 1428364), (49, 1020260), (70, 714182), (98, 510130), (139, 359660), (140, 357091), (196, 255065), (245, 204052), (278, 179830), (367, 136220), (490, 102026), (556, 89915), (695, 71932), (734, 68110), (973, 51380), (980, 51013), (1390, 35966), (1468, 34055), (1835, 27244), (1946, 25690), (2569, 19460), (2780, 17983), (3670, 13622), (3892, 12845), (4865, 10276), (5138, 9730), (6811, 7340)]