2489749990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 5645832192

約数和(自身を除く): 3156082202

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 101, 103, 130, 182, 202, 206, 263, 455, 505, 515, 526, 707, 721, 910, 1010, 1030, 1313, 1315, 1339, 1414, 1442, 1841, 2626, 2630, 2678, 3419, 3535, 3605, 3682, 6565, 6695, 6838, 7070, 7210, 9191, 9205, 9373, 10403, 13130, 13390, 17095, 18382, 18410, 18746, 20806, 23933, 26563, 27089, 34190, 45955, 46865, 47866, 52015, 53126, 54178, 72821, 91910, 93730, 104030, 119665, 132815, 135239, 135445, 145642, 185941, 189623, 239330, 265630, 270478, 270890, 345319, 352157, 364105, 371882, 379246, 676195, 690638, 704314, 728210, 929705, 946673, 948115, 1352390, 1726595, 1760785, 1859410, 1893346, 1896230, 2417233, 2465099, 2735989, 3453190, 3521570, 4733365, 4834466, 4930198, 5471978, 9466730, 12086165, 12325495, 13679945, 19151923, 24172330, 24650990, 27359890, 35567857, 38303846, 71135714, 95759615, 177839285, 191519230, 248974999, 355678570, 497949998, 1244874995, 2489749990]

約数ペア:

[(1, 2489749990), (2, 1244874995), (5, 497949998), (7, 355678570), (10, 248974999), (13, 191519230), (14, 177839285), (26, 95759615), (35, 71135714), (65, 38303846), (70, 35567857), (91, 27359890), (101, 24650990), (103, 24172330), (130, 19151923), (182, 13679945), (202, 12325495), (206, 12086165), (263, 9466730), (455, 5471978), (505, 4930198), (515, 4834466), (526, 4733365), (707, 3521570), (721, 3453190), (910, 2735989), (1010, 2465099), (1030, 2417233), (1313, 1896230), (1315, 1893346), (1339, 1859410), (1414, 1760785), (1442, 1726595), (1841, 1352390), (2626, 948115), (2630, 946673), (2678, 929705), (3419, 728210), (3535, 704314), (3605, 690638), (3682, 676195), (6565, 379246), (6695, 371882), (6838, 364105), (7070, 352157), (7210, 345319), (9191, 270890), (9205, 270478), (9373, 265630), (10403, 239330), (13130, 189623), (13390, 185941), (17095, 145642), (18382, 135445), (18410, 135239), (18746, 132815), (20806, 119665), (23933, 104030), (26563, 93730), (27089, 91910), (34190, 72821), (45955, 54178), (46865, 53126), (47866, 52015)]