9138889180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1559}}^1\times {\mathrm{2689}}^1$

素因数の和:4366

約数の個数: 48

約数和(自身を含む): 19387368000

約数和(自身を除く): 10248478820

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1559, 2180, 2689, 3118, 5378, 6236, 7795, 10756, 13445, 15590, 26890, 31180, 53780, 169931, 293101, 339862, 586202, 679724, 849655, 1172404, 1465505, 1699310, 2931010, 3398620, 4192151, 5862020, 8384302, 16768604, 20960755, 41921510, 83843020, 456944459, 913888918, 1827777836, 2284722295, 4569444590, 9138889180]

約数ペア:

[(1, 9138889180), (2, 4569444590), (4, 2284722295), (5, 1827777836), (10, 913888918), (20, 456944459), (109, 83843020), (218, 41921510), (436, 20960755), (545, 16768604), (1090, 8384302), (1559, 5862020), (2180, 4192151), (2689, 3398620), (3118, 2931010), (5378, 1699310), (6236, 1465505), (7795, 1172404), (10756, 849655), (13445, 679724), (15590, 586202), (26890, 339862), (31180, 293101), (53780, 169931)]