7205560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 17145000

約数和(自身を除く): 9939440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 499, 722, 760, 998, 1444, 1805, 1996, 2495, 2888, 3610, 3992, 4990, 7220, 9481, 9980, 14440, 18962, 19960, 37924, 47405, 75848, 94810, 180139, 189620, 360278, 379240, 720556, 900695, 1441112, 1801390, 3602780, 7205560]

約数ペア:

[(1, 7205560), (2, 3602780), (4, 1801390), (5, 1441112), (8, 900695), (10, 720556), (19, 379240), (20, 360278), (38, 189620), (40, 180139), (76, 94810), (95, 75848), (152, 47405), (190, 37924), (361, 19960), (380, 18962), (499, 14440), (722, 9980), (760, 9481), (998, 7220), (1444, 4990), (1805, 3992), (1996, 3610), (2495, 2888)]