172045780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7127}}^1$

素因数の和:7224

約数の個数: 48

約数和(自身を含む): 387991296

約数和(自身を除く): 215945516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 7127, 12070, 14254, 24140, 28508, 35635, 71270, 121159, 142540, 242318, 484636, 506017, 605795, 1012034, 1211590, 2024068, 2423180, 2530085, 5060170, 8602289, 10120340, 17204578, 34409156, 43011445, 86022890, 172045780]

約数ペア:

[(1, 172045780), (2, 86022890), (4, 43011445), (5, 34409156), (10, 17204578), (17, 10120340), (20, 8602289), (34, 5060170), (68, 2530085), (71, 2423180), (85, 2024068), (142, 1211590), (170, 1012034), (284, 605795), (340, 506017), (355, 484636), (710, 242318), (1207, 142540), (1420, 121159), (2414, 71270), (4828, 35635), (6035, 28508), (7127, 24140), (12070, 14254)]