257124210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{11443}}^1$

素因数の和:11567

約数の個数: 64

約数和(自身を含む): 711908352

約数和(自身を除く): 454784142

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 1070, 1498, 1605, 2247, 3210, 3745, 4494, 7490, 11235, 11443, 22470, 22886, 34329, 57215, 68658, 80101, 114430, 160202, 171645, 240303, 343290, 400505, 480606, 801010, 1201515, 1224401, 2403030, 2448802, 3673203, 6122005, 7346406, 8570807, 12244010, 17141614, 18366015, 25712421, 36732030, 42854035, 51424842, 85708070, 128562105, 257124210]

約数ペア:

[(1, 257124210), (2, 128562105), (3, 85708070), (5, 51424842), (6, 42854035), (7, 36732030), (10, 25712421), (14, 18366015), (15, 17141614), (21, 12244010), (30, 8570807), (35, 7346406), (42, 6122005), (70, 3673203), (105, 2448802), (107, 2403030), (210, 1224401), (214, 1201515), (321, 801010), (535, 480606), (642, 400505), (749, 343290), (1070, 240303), (1498, 171645), (1605, 160202), (2247, 114430), (3210, 80101), (3745, 68658), (4494, 57215), (7490, 34329), (11235, 22886), (11443, 22470)]