197574640

素因数分解:

$2^4\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1913}}^1$

素因数の和:3217

約数の個数: 40

約数和(自身を含む): 459957168

約数和(自身を除く): 262382528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1291, 1913, 2582, 3826, 5164, 6455, 7652, 9565, 10328, 12910, 15304, 19130, 20656, 25820, 30608, 38260, 51640, 76520, 103280, 153040, 2469683, 4939366, 9878732, 12348415, 19757464, 24696830, 39514928, 49393660, 98787320, 197574640]

約数ペア:

[(1, 197574640), (2, 98787320), (4, 49393660), (5, 39514928), (8, 24696830), (10, 19757464), (16, 12348415), (20, 9878732), (40, 4939366), (80, 2469683), (1291, 153040), (1913, 103280), (2582, 76520), (3826, 51640), (5164, 38260), (6455, 30608), (7652, 25820), (9565, 20656), (10328, 19130), (12910, 15304)]