724796420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1$

素因数の和:885

約数の個数: 96

約数和(自身を含む): 1678320000

約数和(自身を除く): 953523580

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 89, 95, 116, 145, 178, 190, 290, 356, 380, 445, 551, 580, 739, 890, 1102, 1478, 1691, 1780, 2204, 2581, 2755, 2956, 3382, 3695, 5162, 5510, 6764, 7390, 8455, 10324, 11020, 12905, 14041, 14780, 16910, 21431, 25810, 28082, 33820, 42862, 49039, 51620, 56164, 65771, 70205, 85724, 98078, 107155, 131542, 140410, 196156, 214310, 245195, 263084, 280820, 328855, 407189, 428620, 490390, 657710, 814378, 980780, 1249649, 1315420, 1628756, 1907359, 2035945, 2499298, 3814718, 4071890, 4998596, 6248245, 7629436, 8143780, 9536795, 12496490, 19073590, 24992980, 36239821, 38147180, 72479642, 144959284, 181199105, 362398210, 724796420]

約数ペア:

[(1, 724796420), (2, 362398210), (4, 181199105), (5, 144959284), (10, 72479642), (19, 38147180), (20, 36239821), (29, 24992980), (38, 19073590), (58, 12496490), (76, 9536795), (89, 8143780), (95, 7629436), (116, 6248245), (145, 4998596), (178, 4071890), (190, 3814718), (290, 2499298), (356, 2035945), (380, 1907359), (445, 1628756), (551, 1315420), (580, 1249649), (739, 980780), (890, 814378), (1102, 657710), (1478, 490390), (1691, 428620), (1780, 407189), (2204, 328855), (2581, 280820), (2755, 263084), (2956, 245195), (3382, 214310), (3695, 196156), (5162, 140410), (5510, 131542), (6764, 107155), (7390, 98078), (8455, 85724), (10324, 70205), (11020, 65771), (12905, 56164), (14041, 51620), (14780, 49039), (16910, 42862), (21431, 33820), (25810, 28082)]