50721860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:805

約数の個数: 72

約数和(自身を含む): 125780760

約数和(自身を除く): 75058900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 196, 245, 292, 365, 490, 511, 709, 730, 980, 1022, 1418, 1460, 2044, 2555, 2836, 3545, 3577, 4963, 5110, 7090, 7154, 9926, 10220, 14180, 14308, 17885, 19852, 24815, 34741, 35770, 49630, 51757, 69482, 71540, 99260, 103514, 138964, 173705, 207028, 258785, 347410, 362299, 517570, 694820, 724598, 1035140, 1449196, 1811495, 2536093, 3622990, 5072186, 7245980, 10144372, 12680465, 25360930, 50721860]

約数ペア:

[(1, 50721860), (2, 25360930), (4, 12680465), (5, 10144372), (7, 7245980), (10, 5072186), (14, 3622990), (20, 2536093), (28, 1811495), (35, 1449196), (49, 1035140), (70, 724598), (73, 694820), (98, 517570), (140, 362299), (146, 347410), (196, 258785), (245, 207028), (292, 173705), (365, 138964), (490, 103514), (511, 99260), (709, 71540), (730, 69482), (980, 51757), (1022, 49630), (1418, 35770), (1460, 34741), (2044, 24815), (2555, 19852), (2836, 17885), (3545, 14308), (3577, 14180), (4963, 10220), (5110, 9926), (7090, 7154)]