138700870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{25733}}^1$

素因数の和:25765

約数の個数: 48

約数和(自身を含む): 316837008

約数和(自身を除く): 178136138

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 25733, 51466, 128665, 180131, 257330, 283063, 360262, 566126, 900655, 1260917, 1415315, 1801310, 1981441, 2521834, 2830630, 3962882, 6304585, 9907205, 12609170, 13870087, 19814410, 27740174, 69350435, 138700870]

約数ペア:

[(1, 138700870), (2, 69350435), (5, 27740174), (7, 19814410), (10, 13870087), (11, 12609170), (14, 9907205), (22, 6304585), (35, 3962882), (49, 2830630), (55, 2521834), (70, 1981441), (77, 1801310), (98, 1415315), (110, 1260917), (154, 900655), (245, 566126), (385, 360262), (490, 283063), (539, 257330), (770, 180131), (1078, 128665), (2695, 51466), (5390, 25733)]