308994490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{673}}^1\times {\mathrm{937}}^1$

素因数の和:1631

約数の個数: 48

約数和(自身を含む): 648649512

約数和(自身を除く): 339655022

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 673, 937, 1346, 1874, 3365, 4685, 4711, 6559, 6730, 9370, 9422, 13118, 23555, 32795, 32977, 45913, 47110, 65590, 65954, 91826, 164885, 229565, 329770, 459130, 630601, 1261202, 3153005, 4414207, 6306010, 8828414, 22071035, 30899449, 44142070, 61798898, 154497245, 308994490]

約数ペア:

[(1, 308994490), (2, 154497245), (5, 61798898), (7, 44142070), (10, 30899449), (14, 22071035), (35, 8828414), (49, 6306010), (70, 4414207), (98, 3153005), (245, 1261202), (490, 630601), (673, 459130), (937, 329770), (1346, 229565), (1874, 164885), (3365, 91826), (4685, 65954), (4711, 65590), (6559, 47110), (6730, 45913), (9370, 32977), (9422, 32795), (13118, 23555)]