77532220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{617}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 167364288

約数和(自身を除く): 89832068

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 206, 244, 305, 412, 515, 610, 617, 1030, 1220, 1234, 2060, 2468, 3085, 6170, 6283, 12340, 12566, 25132, 31415, 37637, 62830, 63551, 75274, 125660, 127102, 150548, 188185, 254204, 317755, 376370, 635510, 752740, 1271020, 3876611, 7753222, 15506444, 19383055, 38766110, 77532220]

約数ペア:

[(1, 77532220), (2, 38766110), (4, 19383055), (5, 15506444), (10, 7753222), (20, 3876611), (61, 1271020), (103, 752740), (122, 635510), (206, 376370), (244, 317755), (305, 254204), (412, 188185), (515, 150548), (610, 127102), (617, 125660), (1030, 75274), (1220, 63551), (1234, 62830), (2060, 37637), (2468, 31415), (3085, 25132), (6170, 12566), (6283, 12340)]