261124990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:769

約数の個数: 64

約数和(自身を含む): 558835200

約数和(自身を除く): 297710210

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 307, 406, 419, 614, 838, 1015, 1535, 2030, 2095, 2149, 2933, 3070, 4190, 4298, 5866, 8903, 10745, 12151, 14665, 17806, 21490, 24302, 29330, 44515, 60755, 62321, 85057, 89030, 121510, 124642, 128633, 170114, 257266, 311605, 425285, 623210, 643165, 850570, 900431, 1286330, 1800862, 3730357, 4502155, 7460714, 9004310, 18651785, 26112499, 37303570, 52224998, 130562495, 261124990]

約数ペア:

[(1, 261124990), (2, 130562495), (5, 52224998), (7, 37303570), (10, 26112499), (14, 18651785), (29, 9004310), (35, 7460714), (58, 4502155), (70, 3730357), (145, 1800862), (203, 1286330), (290, 900431), (307, 850570), (406, 643165), (419, 623210), (614, 425285), (838, 311605), (1015, 257266), (1535, 170114), (2030, 128633), (2095, 124642), (2149, 121510), (2933, 89030), (3070, 85057), (4190, 62321), (4298, 60755), (5866, 44515), (8903, 29330), (10745, 24302), (12151, 21490), (14665, 17806)]