206007760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{52553}}^1$

素因数の和:52580

約数の個数: 60

約数和(自身を含む): 557177508

約数和(自身を除く): 351169748

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 52553, 105106, 210212, 262765, 367871, 420424, 525530, 735742, 840848, 1051060, 1471484, 1839355, 2102120, 2575097, 2942968, 3678710, 4204240, 5150194, 5885936, 7357420, 10300388, 12875485, 14714840, 20600776, 25750970, 29429680, 41201552, 51501940, 103003880, 206007760]

約数ペア:

[(1, 206007760), (2, 103003880), (4, 51501940), (5, 41201552), (7, 29429680), (8, 25750970), (10, 20600776), (14, 14714840), (16, 12875485), (20, 10300388), (28, 7357420), (35, 5885936), (40, 5150194), (49, 4204240), (56, 3678710), (70, 2942968), (80, 2575097), (98, 2102120), (112, 1839355), (140, 1471484), (196, 1051060), (245, 840848), (280, 735742), (392, 525530), (490, 420424), (560, 367871), (784, 262765), (980, 210212), (1960, 105106), (3920, 52553)]