289863728

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 717599904

約数和(自身を除く): 427736176

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 73, 77, 88, 112, 121, 146, 154, 176, 242, 292, 293, 308, 484, 511, 584, 586, 616, 803, 847, 968, 1022, 1168, 1172, 1232, 1606, 1694, 1936, 2044, 2051, 2344, 3212, 3223, 3388, 4088, 4102, 4688, 5621, 6424, 6446, 6776, 8176, 8204, 8833, 11242, 12848, 12892, 13552, 16408, 17666, 21389, 22484, 22561, 25784, 32816, 35332, 35453, 42778, 44968, 45122, 51568, 61831, 70664, 70906, 85556, 89936, 90244, 123662, 141328, 141812, 149723, 171112, 180488, 235279, 247324, 248171, 283624, 299446, 342224, 360976, 470558, 494648, 496342, 567248, 598892, 941116, 989296, 992684, 1197784, 1646953, 1882232, 1985368, 2395568, 2588069, 3293906, 3764464, 3970736, 5176138, 6587812, 10352276, 13175624, 18116483, 20704552, 26351248, 36232966, 41409104, 72465932, 144931864, 289863728]

約数ペア:

[(1, 289863728), (2, 144931864), (4, 72465932), (7, 41409104), (8, 36232966), (11, 26351248), (14, 20704552), (16, 18116483), (22, 13175624), (28, 10352276), (44, 6587812), (56, 5176138), (73, 3970736), (77, 3764464), (88, 3293906), (112, 2588069), (121, 2395568), (146, 1985368), (154, 1882232), (176, 1646953), (242, 1197784), (292, 992684), (293, 989296), (308, 941116), (484, 598892), (511, 567248), (584, 496342), (586, 494648), (616, 470558), (803, 360976), (847, 342224), (968, 299446), (1022, 283624), (1168, 248171), (1172, 247324), (1232, 235279), (1606, 180488), (1694, 171112), (1936, 149723), (2044, 141812), (2051, 141328), (2344, 123662), (3212, 90244), (3223, 89936), (3388, 85556), (4088, 70906), (4102, 70664), (4688, 61831), (5621, 51568), (6424, 45122), (6446, 44968), (6776, 42778), (8176, 35453), (8204, 35332), (8833, 32816), (11242, 25784), (12848, 22561), (12892, 22484), (13552, 21389), (16408, 17666)]