202288720

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{18457}}^1$

素因数の和:18607

約数の個数: 40

約数和(自身を含む): 473779944

約数和(自身を除く): 271491224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 18457, 36914, 73828, 92285, 147656, 184570, 295312, 369140, 738280, 1476560, 2528609, 5057218, 10114436, 12643045, 20228872, 25286090, 40457744, 50572180, 101144360, 202288720]

約数ペア:

[(1, 202288720), (2, 101144360), (4, 50572180), (5, 40457744), (8, 25286090), (10, 20228872), (16, 12643045), (20, 10114436), (40, 5057218), (80, 2528609), (137, 1476560), (274, 738280), (548, 369140), (685, 295312), (1096, 184570), (1370, 147656), (2192, 92285), (2740, 73828), (5480, 36914), (10960, 18457)]