98451560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:486

約数の個数: 64

約数和(自身を含む): 227463120

約数和(自身を除く): 129011560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 157, 244, 257, 305, 314, 488, 514, 610, 628, 785, 1028, 1220, 1256, 1285, 1570, 2056, 2440, 2570, 3140, 5140, 6280, 9577, 10280, 15677, 19154, 31354, 38308, 40349, 47885, 62708, 76616, 78385, 80698, 95770, 125416, 156770, 161396, 191540, 201745, 313540, 322792, 383080, 403490, 627080, 806980, 1613960, 2461289, 4922578, 9845156, 12306445, 19690312, 24612890, 49225780, 98451560]

約数ペア:

[(1, 98451560), (2, 49225780), (4, 24612890), (5, 19690312), (8, 12306445), (10, 9845156), (20, 4922578), (40, 2461289), (61, 1613960), (122, 806980), (157, 627080), (244, 403490), (257, 383080), (305, 322792), (314, 313540), (488, 201745), (514, 191540), (610, 161396), (628, 156770), (785, 125416), (1028, 95770), (1220, 80698), (1256, 78385), (1285, 76616), (1570, 62708), (2056, 47885), (2440, 40349), (2570, 38308), (3140, 31354), (5140, 19154), (6280, 15677), (9577, 10280)]