156779367220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1961213}}^1$

素因数の和:1961800

約数の個数: 48

約数和(自身を含む): 376929641088

約数和(自身を除く): 220150273868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2284, 2855, 3997, 5710, 7994, 11420, 15988, 19985, 39970, 79940, 1961213, 3922426, 7844852, 9806065, 13728491, 19612130, 27456982, 39224260, 54913964, 68642455, 137284910, 274569820, 1119852623, 2239705246, 4479410492, 5599263115, 7838968361, 11198526230, 15677936722, 22397052460, 31355873444, 39194841805, 78389683610, 156779367220]

約数ペア:

[(1, 156779367220), (2, 78389683610), (4, 39194841805), (5, 31355873444), (7, 22397052460), (10, 15677936722), (14, 11198526230), (20, 7838968361), (28, 5599263115), (35, 4479410492), (70, 2239705246), (140, 1119852623), (571, 274569820), (1142, 137284910), (2284, 68642455), (2855, 54913964), (3997, 39224260), (5710, 27456982), (7994, 19612130), (11420, 13728491), (15988, 9806065), (19985, 7844852), (39970, 3922426), (79940, 1961213)]