387400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 976500

約数和(自身を除く): 589100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 149, 200, 260, 298, 325, 520, 596, 650, 745, 1192, 1300, 1490, 1937, 2600, 2980, 3725, 3874, 5960, 7450, 7748, 9685, 14900, 15496, 19370, 29800, 38740, 48425, 77480, 96850, 193700, 387400]

約数ペア:

[(1, 387400), (2, 193700), (4, 96850), (5, 77480), (8, 48425), (10, 38740), (13, 29800), (20, 19370), (25, 15496), (26, 14900), (40, 9685), (50, 7748), (52, 7450), (65, 5960), (100, 3874), (104, 3725), (130, 2980), (149, 2600), (200, 1937), (260, 1490), (298, 1300), (325, 1192), (520, 745), (596, 650)]