187442680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{275651}}^1$

素因数の和:275679

約数の個数: 32

約数和(自身を含む): 446556240

約数和(自身を除く): 259113560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 275651, 551302, 1102604, 1378255, 2205208, 2756510, 4686067, 5513020, 9372134, 11026040, 18744268, 23430335, 37488536, 46860670, 93721340, 187442680]

約数ペア:

[(1, 187442680), (2, 93721340), (4, 46860670), (5, 37488536), (8, 23430335), (10, 18744268), (17, 11026040), (20, 9372134), (34, 5513020), (40, 4686067), (68, 2756510), (85, 2205208), (136, 1378255), (170, 1102604), (340, 551302), (680, 275651)]