12900050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 26010240

約数和(自身を除く): 13110190

約数列:

[1, 2, 5, 10, 19, 25, 37, 38, 50, 74, 95, 185, 190, 367, 370, 475, 703, 734, 925, 950, 1406, 1835, 1850, 3515, 3670, 6973, 7030, 9175, 13579, 13946, 17575, 18350, 27158, 34865, 35150, 67895, 69730, 135790, 174325, 258001, 339475, 348650, 516002, 678950, 1290005, 2580010, 6450025, 12900050]

約数ペア:

[(1, 12900050), (2, 6450025), (5, 2580010), (10, 1290005), (19, 678950), (25, 516002), (37, 348650), (38, 339475), (50, 258001), (74, 174325), (95, 135790), (185, 69730), (190, 67895), (367, 35150), (370, 34865), (475, 27158), (703, 18350), (734, 17575), (925, 13946), (950, 13579), (1406, 9175), (1835, 7030), (1850, 6973), (3515, 3670)]