30130940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{577}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 72633792

約数和(自身を除く): 42502852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 577, 746, 1154, 1492, 1865, 2308, 2611, 2885, 3730, 4039, 5222, 5770, 7460, 8078, 10444, 11540, 13055, 16156, 20195, 26110, 40390, 52220, 80780, 215221, 430442, 860884, 1076105, 1506547, 2152210, 3013094, 4304420, 6026188, 7532735, 15065470, 30130940]

約数ペア:

[(1, 30130940), (2, 15065470), (4, 7532735), (5, 6026188), (7, 4304420), (10, 3013094), (14, 2152210), (20, 1506547), (28, 1076105), (35, 860884), (70, 430442), (140, 215221), (373, 80780), (577, 52220), (746, 40390), (1154, 26110), (1492, 20195), (1865, 16156), (2308, 13055), (2611, 11540), (2885, 10444), (3730, 8078), (4039, 7460), (5222, 5770)]