494900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{101}}^1$

素因数の和:129

約数の個数: 54

約数和(自身を含む): 1261638

約数和(自身を除く): 766738

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 101, 140, 175, 196, 202, 245, 350, 404, 490, 505, 700, 707, 980, 1010, 1225, 1414, 2020, 2450, 2525, 2828, 3535, 4900, 4949, 5050, 7070, 9898, 10100, 14140, 17675, 19796, 24745, 35350, 49490, 70700, 98980, 123725, 247450, 494900]

約数ペア:

[(1, 494900), (2, 247450), (4, 123725), (5, 98980), (7, 70700), (10, 49490), (14, 35350), (20, 24745), (25, 19796), (28, 17675), (35, 14140), (49, 10100), (50, 9898), (70, 7070), (98, 5050), (100, 4949), (101, 4900), (140, 3535), (175, 2828), (196, 2525), (202, 2450), (245, 2020), (350, 1414), (404, 1225), (490, 1010), (505, 980), (700, 707)]