65888900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 183321600

約数和(自身を除く): 117432700

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 43, 44, 50, 55, 70, 77, 86, 100, 110, 140, 154, 172, 175, 199, 215, 220, 275, 301, 308, 350, 385, 398, 430, 473, 550, 602, 700, 770, 796, 860, 946, 995, 1075, 1100, 1204, 1393, 1505, 1540, 1892, 1925, 1990, 2150, 2189, 2365, 2786, 3010, 3311, 3850, 3980, 4300, 4378, 4730, 4975, 5572, 6020, 6622, 6965, 7525, 7700, 8557, 8756, 9460, 9950, 10945, 11825, 13244, 13930, 15050, 15323, 16555, 17114, 19900, 21890, 23650, 27860, 30100, 30646, 33110, 34228, 34825, 42785, 43780, 47300, 54725, 59899, 61292, 66220, 69650, 76615, 82775, 85570, 94127, 109450, 119798, 139300, 153230, 165550, 171140, 188254, 213925, 218900, 239596, 299495, 306460, 331100, 376508, 383075, 427850, 470635, 598990, 658889, 766150, 855700, 941270, 1197980, 1317778, 1497475, 1532300, 1882540, 2353175, 2635556, 2994950, 3294445, 4706350, 5989900, 6588890, 9412700, 13177780, 16472225, 32944450, 65888900]

約数ペア:

[(1, 65888900), (2, 32944450), (4, 16472225), (5, 13177780), (7, 9412700), (10, 6588890), (11, 5989900), (14, 4706350), (20, 3294445), (22, 2994950), (25, 2635556), (28, 2353175), (35, 1882540), (43, 1532300), (44, 1497475), (50, 1317778), (55, 1197980), (70, 941270), (77, 855700), (86, 766150), (100, 658889), (110, 598990), (140, 470635), (154, 427850), (172, 383075), (175, 376508), (199, 331100), (215, 306460), (220, 299495), (275, 239596), (301, 218900), (308, 213925), (350, 188254), (385, 171140), (398, 165550), (430, 153230), (473, 139300), (550, 119798), (602, 109450), (700, 94127), (770, 85570), (796, 82775), (860, 76615), (946, 69650), (995, 66220), (1075, 61292), (1100, 59899), (1204, 54725), (1393, 47300), (1505, 43780), (1540, 42785), (1892, 34825), (1925, 34228), (1990, 33110), (2150, 30646), (2189, 30100), (2365, 27860), (2786, 23650), (3010, 21890), (3311, 19900), (3850, 17114), (3980, 16555), (4300, 15323), (4378, 15050), (4730, 13930), (4975, 13244), (5572, 11825), (6020, 10945), (6622, 9950), (6965, 9460), (7525, 8756), (7700, 8557)]