139645660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90679}}^1$

素因数の和:90706

約数の個数: 48

約数和(自身を含む): 365621760

約数和(自身を除く): 225976100

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 90679, 181358, 362716, 453395, 634753, 906790, 997469, 1269506, 1813580, 1994938, 2539012, 3173765, 3989876, 4987345, 6347530, 6982283, 9974690, 12695060, 13964566, 19949380, 27929132, 34911415, 69822830, 139645660]

約数ペア:

[(1, 139645660), (2, 69822830), (4, 34911415), (5, 27929132), (7, 19949380), (10, 13964566), (11, 12695060), (14, 9974690), (20, 6982283), (22, 6347530), (28, 4987345), (35, 3989876), (44, 3173765), (55, 2539012), (70, 1994938), (77, 1813580), (110, 1269506), (140, 997469), (154, 906790), (220, 634753), (308, 453395), (385, 362716), (770, 181358), (1540, 90679)]