3898160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{6961}}^1$

素因数の和:6981

約数の個数: 40

約数和(自身を含む): 10359456

約数和(自身を除く): 6461296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 6961, 13922, 27844, 34805, 48727, 55688, 69610, 97454, 111376, 139220, 194908, 243635, 278440, 389816, 487270, 556880, 779632, 974540, 1949080, 3898160]

約数ペア:

[(1, 3898160), (2, 1949080), (4, 974540), (5, 779632), (7, 556880), (8, 487270), (10, 389816), (14, 278440), (16, 243635), (20, 194908), (28, 139220), (35, 111376), (40, 97454), (56, 69610), (70, 55688), (80, 48727), (112, 34805), (140, 27844), (280, 13922), (560, 6961)]