181869380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{16871}}^1$

素因数の和:16905

約数の個数: 72

約数和(自身を含む): 484698816

約数和(自身を除く): 302829436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 16871, 33742, 67484, 84355, 118097, 168710, 185581, 236194, 337420, 371162, 472388, 590485, 742324, 826679, 927905, 1180970, 1299067, 1653358, 1855810, 2361940, 2598134, 3306716, 3711620, 4133395, 5196268, 6495335, 8266790, 9093469, 12990670, 16533580, 18186938, 25981340, 36373876, 45467345, 90934690, 181869380]

約数ペア:

[(1, 181869380), (2, 90934690), (4, 45467345), (5, 36373876), (7, 25981340), (10, 18186938), (11, 16533580), (14, 12990670), (20, 9093469), (22, 8266790), (28, 6495335), (35, 5196268), (44, 4133395), (49, 3711620), (55, 3306716), (70, 2598134), (77, 2361940), (98, 1855810), (110, 1653358), (140, 1299067), (154, 1180970), (196, 927905), (220, 826679), (245, 742324), (308, 590485), (385, 472388), (490, 371162), (539, 337420), (770, 236194), (980, 185581), (1078, 168710), (1540, 118097), (2156, 84355), (2695, 67484), (5390, 33742), (10780, 16871)]