490616168

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 1139927040

約数和(自身を除く): 649310872

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 56, 61, 62, 82, 113, 122, 124, 164, 217, 226, 244, 248, 287, 328, 427, 434, 452, 488, 574, 791, 854, 868, 904, 1148, 1271, 1582, 1708, 1736, 1891, 2296, 2501, 2542, 3164, 3416, 3503, 3782, 4633, 5002, 5084, 6328, 6893, 7006, 7564, 8897, 9266, 10004, 10168, 13237, 13786, 14012, 15128, 17507, 17794, 18532, 20008, 24521, 26474, 27572, 28024, 32431, 35014, 35588, 37064, 48251, 49042, 52948, 55144, 64862, 70028, 71176, 77531, 96502, 98084, 105896, 129724, 140056, 143623, 155062, 193004, 196168, 213683, 259448, 282613, 287246, 310124, 386008, 427366, 542717, 565226, 574492, 620248, 854732, 1005361, 1085434, 1130452, 1148984, 1495781, 1709464, 1978291, 2010722, 2170868, 2260904, 2991562, 3956582, 4021444, 4341736, 5983124, 7913164, 8042888, 8761003, 11966248, 15826328, 17522006, 35044012, 61327021, 70088024, 122654042, 245308084, 490616168]

約数ペア:

[(1, 490616168), (2, 245308084), (4, 122654042), (7, 70088024), (8, 61327021), (14, 35044012), (28, 17522006), (31, 15826328), (41, 11966248), (56, 8761003), (61, 8042888), (62, 7913164), (82, 5983124), (113, 4341736), (122, 4021444), (124, 3956582), (164, 2991562), (217, 2260904), (226, 2170868), (244, 2010722), (248, 1978291), (287, 1709464), (328, 1495781), (427, 1148984), (434, 1130452), (452, 1085434), (488, 1005361), (574, 854732), (791, 620248), (854, 574492), (868, 565226), (904, 542717), (1148, 427366), (1271, 386008), (1582, 310124), (1708, 287246), (1736, 282613), (1891, 259448), (2296, 213683), (2501, 196168), (2542, 193004), (3164, 155062), (3416, 143623), (3503, 140056), (3782, 129724), (4633, 105896), (5002, 98084), (5084, 96502), (6328, 77531), (6893, 71176), (7006, 70028), (7564, 64862), (8897, 55144), (9266, 52948), (10004, 49042), (10168, 48251), (13237, 37064), (13786, 35588), (14012, 35014), (15128, 32431), (17507, 28024), (17794, 27572), (18532, 26474), (20008, 24521)]