3990220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 9172800

約数和(自身を除く): 5182580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 149, 206, 260, 298, 412, 515, 596, 745, 1030, 1339, 1490, 1937, 2060, 2678, 2980, 3874, 5356, 6695, 7748, 9685, 13390, 15347, 19370, 26780, 30694, 38740, 61388, 76735, 153470, 199511, 306940, 399022, 798044, 997555, 1995110, 3990220]

約数ペア:

[(1, 3990220), (2, 1995110), (4, 997555), (5, 798044), (10, 399022), (13, 306940), (20, 199511), (26, 153470), (52, 76735), (65, 61388), (103, 38740), (130, 30694), (149, 26780), (206, 19370), (260, 15347), (298, 13390), (412, 9685), (515, 7748), (596, 6695), (745, 5356), (1030, 3874), (1339, 2980), (1490, 2678), (1937, 2060)]