118471220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{120889}}^1$

素因数の和:120912

約数の個数: 36

約数和(自身を含む): 289410660

約数和(自身を除く): 170939440

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 120889, 241778, 483556, 604445, 846223, 1208890, 1692446, 2417780, 3384892, 4231115, 5923561, 8462230, 11847122, 16924460, 23694244, 29617805, 59235610, 118471220]

約数ペア:

[(1, 118471220), (2, 59235610), (4, 29617805), (5, 23694244), (7, 16924460), (10, 11847122), (14, 8462230), (20, 5923561), (28, 4231115), (35, 3384892), (49, 2417780), (70, 1692446), (98, 1208890), (140, 846223), (196, 604445), (245, 483556), (490, 241778), (980, 120889)]