49391020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 122094000

約数和(自身を除く): 72702980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 499, 505, 707, 980, 998, 1010, 1414, 1996, 2020, 2495, 2828, 3493, 3535, 4949, 4990, 6986, 7070, 9898, 9980, 13972, 14140, 17465, 19796, 24451, 24745, 34930, 48902, 49490, 50399, 69860, 97804, 98980, 100798, 122255, 201596, 244510, 251995, 352793, 489020, 503990, 705586, 1007980, 1411172, 1763965, 2469551, 3527930, 4939102, 7055860, 9878204, 12347755, 24695510, 49391020]

約数ペア:

[(1, 49391020), (2, 24695510), (4, 12347755), (5, 9878204), (7, 7055860), (10, 4939102), (14, 3527930), (20, 2469551), (28, 1763965), (35, 1411172), (49, 1007980), (70, 705586), (98, 503990), (101, 489020), (140, 352793), (196, 251995), (202, 244510), (245, 201596), (404, 122255), (490, 100798), (499, 98980), (505, 97804), (707, 69860), (980, 50399), (998, 49490), (1010, 48902), (1414, 34930), (1996, 24745), (2020, 24451), (2495, 19796), (2828, 17465), (3493, 14140), (3535, 13972), (4949, 9980), (4990, 9898), (6986, 7070)]