172868260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97117}}^1$

素因数の和:97215

約数の個数: 24

約数和(自身を含む): 367106040

約数和(自身を除く): 194237780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 97117, 194234, 388468, 485585, 971170, 1942340, 8643413, 17286826, 34573652, 43217065, 86434130, 172868260]

約数ペア:

[(1, 172868260), (2, 86434130), (4, 43217065), (5, 34573652), (10, 17286826), (20, 8643413), (89, 1942340), (178, 971170), (356, 485585), (445, 388468), (890, 194234), (1780, 97117)]