255377628

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 739694592

約数和(自身を除く): 484316964

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 71, 93, 99, 124, 132, 142, 186, 198, 213, 279, 284, 293, 341, 372, 396, 426, 558, 586, 639, 682, 781, 852, 879, 1023, 1116, 1172, 1278, 1364, 1562, 1758, 2046, 2201, 2343, 2556, 2637, 3069, 3124, 3223, 3516, 4092, 4402, 4686, 5274, 6138, 6446, 6603, 7029, 8804, 9083, 9372, 9669, 10548, 12276, 12892, 13206, 14058, 18166, 19338, 19809, 20803, 24211, 26412, 27249, 28116, 29007, 36332, 38676, 39618, 41606, 48422, 54498, 58014, 62409, 72633, 79236, 81747, 83212, 96844, 99913, 108996, 116028, 124818, 145266, 163494, 187227, 199826, 217899, 228833, 249636, 290532, 299739, 326988, 374454, 399652, 435798, 457666, 599478, 644893, 686499, 748908, 871596, 899217, 915332, 1198956, 1289786, 1372998, 1798434, 1934679, 2059497, 2579572, 2745996, 3596868, 3869358, 4118994, 5804037, 7093823, 7738716, 8237988, 11608074, 14187646, 21281469, 23216148, 28375292, 42562938, 63844407, 85125876, 127688814, 255377628]

約数ペア:

[(1, 255377628), (2, 127688814), (3, 85125876), (4, 63844407), (6, 42562938), (9, 28375292), (11, 23216148), (12, 21281469), (18, 14187646), (22, 11608074), (31, 8237988), (33, 7738716), (36, 7093823), (44, 5804037), (62, 4118994), (66, 3869358), (71, 3596868), (93, 2745996), (99, 2579572), (124, 2059497), (132, 1934679), (142, 1798434), (186, 1372998), (198, 1289786), (213, 1198956), (279, 915332), (284, 899217), (293, 871596), (341, 748908), (372, 686499), (396, 644893), (426, 599478), (558, 457666), (586, 435798), (639, 399652), (682, 374454), (781, 326988), (852, 299739), (879, 290532), (1023, 249636), (1116, 228833), (1172, 217899), (1278, 199826), (1364, 187227), (1562, 163494), (1758, 145266), (2046, 124818), (2201, 116028), (2343, 108996), (2556, 99913), (2637, 96844), (3069, 83212), (3124, 81747), (3223, 79236), (3516, 72633), (4092, 62409), (4402, 58014), (4686, 54498), (5274, 48422), (6138, 41606), (6446, 39618), (6603, 38676), (7029, 36332), (8804, 29007), (9083, 28116), (9372, 27249), (9669, 26412), (10548, 24211), (12276, 20803), (12892, 19809), (13206, 19338), (14058, 18166)]