249072290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 488097792

約数和(自身を除く): 239025502

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 181, 193, 230, 310, 362, 386, 713, 905, 965, 1426, 1810, 1930, 3565, 4163, 4439, 5611, 5983, 7130, 8326, 8878, 11222, 11966, 20815, 22195, 28055, 29915, 34933, 41630, 44390, 56110, 59830, 69866, 129053, 137609, 174665, 258106, 275218, 349330, 645265, 688045, 803459, 1082923, 1290530, 1376090, 1606918, 2165846, 4017295, 5414615, 8034590, 10829230, 24907229, 49814458, 124536145, 249072290]

約数ペア:

[(1, 249072290), (2, 124536145), (5, 49814458), (10, 24907229), (23, 10829230), (31, 8034590), (46, 5414615), (62, 4017295), (115, 2165846), (155, 1606918), (181, 1376090), (193, 1290530), (230, 1082923), (310, 803459), (362, 688045), (386, 645265), (713, 349330), (905, 275218), (965, 258106), (1426, 174665), (1810, 137609), (1930, 129053), (3565, 69866), (4163, 59830), (4439, 56110), (5611, 44390), (5983, 41630), (7130, 34933), (8326, 29915), (8878, 28055), (11222, 22195), (11966, 20815)]