78206450

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:396

約数の個数: 72

約数和(自身を含む): 171179892

約数和(自身を除く): 92973442

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 137, 175, 233, 245, 274, 350, 466, 490, 685, 959, 1165, 1225, 1370, 1631, 1918, 2330, 2450, 3262, 3425, 4795, 5825, 6713, 6850, 8155, 9590, 11417, 11650, 13426, 16310, 22834, 23975, 31921, 33565, 40775, 47950, 57085, 63842, 67130, 81550, 114170, 159605, 167825, 223447, 285425, 319210, 335650, 446894, 570850, 798025, 1117235, 1564129, 1596050, 2234470, 3128258, 5586175, 7820645, 11172350, 15641290, 39103225, 78206450]

約数ペア:

[(1, 78206450), (2, 39103225), (5, 15641290), (7, 11172350), (10, 7820645), (14, 5586175), (25, 3128258), (35, 2234470), (49, 1596050), (50, 1564129), (70, 1117235), (98, 798025), (137, 570850), (175, 446894), (233, 335650), (245, 319210), (274, 285425), (350, 223447), (466, 167825), (490, 159605), (685, 114170), (959, 81550), (1165, 67130), (1225, 63842), (1370, 57085), (1631, 47950), (1918, 40775), (2330, 33565), (2450, 31921), (3262, 23975), (3425, 22834), (4795, 16310), (5825, 13426), (6713, 11650), (6850, 11417), (8155, 9590)]