256000976

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6703}}^1$

素因数の和:6760

約数の個数: 80

約数和(自身を含む): 638435328

約数和(自身を除く): 382434352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 124, 154, 176, 217, 248, 308, 341, 434, 496, 616, 682, 868, 1232, 1364, 1736, 2387, 2728, 3472, 4774, 5456, 6703, 9548, 13406, 19096, 26812, 38192, 46921, 53624, 73733, 93842, 107248, 147466, 187684, 207793, 294932, 375368, 415586, 516131, 589864, 750736, 831172, 1032262, 1179728, 1454551, 1662344, 2064524, 2285723, 2909102, 3324688, 4129048, 4571446, 5818204, 8258096, 9142892, 11636408, 16000061, 18285784, 23272816, 32000122, 36571568, 64000244, 128000488, 256000976]

約数ペア:

[(1, 256000976), (2, 128000488), (4, 64000244), (7, 36571568), (8, 32000122), (11, 23272816), (14, 18285784), (16, 16000061), (22, 11636408), (28, 9142892), (31, 8258096), (44, 5818204), (56, 4571446), (62, 4129048), (77, 3324688), (88, 2909102), (112, 2285723), (124, 2064524), (154, 1662344), (176, 1454551), (217, 1179728), (248, 1032262), (308, 831172), (341, 750736), (434, 589864), (496, 516131), (616, 415586), (682, 375368), (868, 294932), (1232, 207793), (1364, 187684), (1736, 147466), (2387, 107248), (2728, 93842), (3472, 73733), (4774, 53624), (5456, 46921), (6703, 38192), (9548, 26812), (13406, 19096)]