12902260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{587}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 31215744

約数和(自身を除く): 18313484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 587, 628, 785, 1099, 1174, 1570, 2198, 2348, 2935, 3140, 4109, 4396, 5495, 5870, 8218, 10990, 11740, 16436, 20545, 21980, 41090, 82180, 92159, 184318, 368636, 460795, 645113, 921590, 1290226, 1843180, 2580452, 3225565, 6451130, 12902260]

約数ペア:

[(1, 12902260), (2, 6451130), (4, 3225565), (5, 2580452), (7, 1843180), (10, 1290226), (14, 921590), (20, 645113), (28, 460795), (35, 368636), (70, 184318), (140, 92159), (157, 82180), (314, 41090), (587, 21980), (628, 20545), (785, 16436), (1099, 11740), (1174, 10990), (1570, 8218), (2198, 5870), (2348, 5495), (2935, 4396), (3140, 4109)]