258717650

素因数分解:

$2^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 489745440

約数和(自身を除く): 231027790

約数列:

[1, 2, 5, 10, 25, 50, 137, 179, 211, 274, 358, 422, 685, 895, 1055, 1370, 1790, 2110, 3425, 4475, 5275, 6850, 8950, 10550, 24523, 28907, 37769, 49046, 57814, 75538, 122615, 144535, 188845, 245230, 289070, 377690, 613075, 722675, 944225, 1226150, 1445350, 1888450, 5174353, 10348706, 25871765, 51743530, 129358825, 258717650]

約数ペア:

[(1, 258717650), (2, 129358825), (5, 51743530), (10, 25871765), (25, 10348706), (50, 5174353), (137, 1888450), (179, 1445350), (211, 1226150), (274, 944225), (358, 722675), (422, 613075), (685, 377690), (895, 289070), (1055, 245230), (1370, 188845), (1790, 144535), (2110, 122615), (3425, 75538), (4475, 57814), (5275, 49046), (6850, 37769), (8950, 28907), (10550, 24523)]