781096930

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{4903}}^1$

素因数の和:5178

約数の個数: 32

約数和(自身を含む): 1430006400

約数和(自身を除く): 648909470

約数列:

[1, 2, 5, 10, 89, 178, 179, 358, 445, 890, 895, 1790, 4903, 9806, 15931, 24515, 31862, 49030, 79655, 159310, 436367, 872734, 877637, 1755274, 2181835, 4363670, 4388185, 8776370, 78109693, 156219386, 390548465, 781096930]

約数ペア:

[(1, 781096930), (2, 390548465), (5, 156219386), (10, 78109693), (89, 8776370), (178, 4388185), (179, 4363670), (358, 2181835), (445, 1755274), (890, 877637), (895, 872734), (1790, 436367), (4903, 159310), (9806, 79655), (15931, 49030), (24515, 31862)]