49225780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 106149456

約数和(自身を除く): 56923676

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 157, 244, 257, 305, 314, 514, 610, 628, 785, 1028, 1220, 1285, 1570, 2570, 3140, 5140, 9577, 15677, 19154, 31354, 38308, 40349, 47885, 62708, 78385, 80698, 95770, 156770, 161396, 191540, 201745, 313540, 403490, 806980, 2461289, 4922578, 9845156, 12306445, 24612890, 49225780]

約数ペア:

[(1, 49225780), (2, 24612890), (4, 12306445), (5, 9845156), (10, 4922578), (20, 2461289), (61, 806980), (122, 403490), (157, 313540), (244, 201745), (257, 191540), (305, 161396), (314, 156770), (514, 95770), (610, 80698), (628, 78385), (785, 62708), (1028, 47885), (1220, 40349), (1285, 38308), (1570, 31354), (2570, 19154), (3140, 15677), (5140, 9577)]