259318270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 510105600

約数和(自身を除く): 250787330

約数列:

[1, 2, 5, 10, 19, 38, 47, 71, 94, 95, 142, 190, 235, 355, 409, 470, 710, 818, 893, 1349, 1786, 2045, 2698, 3337, 4090, 4465, 6674, 6745, 7771, 8930, 13490, 15542, 16685, 19223, 29039, 33370, 38446, 38855, 58078, 63403, 77710, 96115, 126806, 145195, 192230, 290390, 317015, 365237, 551741, 634030, 730474, 1103482, 1364833, 1826185, 2729666, 2758705, 3652370, 5517410, 6824165, 13648330, 25931827, 51863654, 129659135, 259318270]

約数ペア:

[(1, 259318270), (2, 129659135), (5, 51863654), (10, 25931827), (19, 13648330), (38, 6824165), (47, 5517410), (71, 3652370), (94, 2758705), (95, 2729666), (142, 1826185), (190, 1364833), (235, 1103482), (355, 730474), (409, 634030), (470, 551741), (710, 365237), (818, 317015), (893, 290390), (1349, 192230), (1786, 145195), (2045, 126806), (2698, 96115), (3337, 77710), (4090, 63403), (4465, 58078), (6674, 38855), (6745, 38446), (7771, 33370), (8930, 29039), (13490, 19223), (15542, 16685)]