121013020

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{99191}}^1$

素因数の和:99261

約数の個数: 24

約数和(自身を含む): 258295968

約数和(自身を除く): 137282948

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 99191, 198382, 396764, 495955, 991910, 1983820, 6050651, 12101302, 24202604, 30253255, 60506510, 121013020]

約数ペア:

[(1, 121013020), (2, 60506510), (4, 30253255), (5, 24202604), (10, 12101302), (20, 6050651), (61, 1983820), (122, 991910), (244, 495955), (305, 396764), (610, 198382), (1220, 99191)]