1381652000

素因数分解:

$2^5\times 5^3\times {\mathrm{345413}}^1$

素因数の和:345438

約数の個数: 48

約数和(自身を含む): 3394728792

約数和(自身を除く): 2013076792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 345413, 690826, 1381652, 1727065, 2763304, 3454130, 5526608, 6908260, 8635325, 11053216, 13816520, 17270650, 27633040, 34541300, 43176625, 55266080, 69082600, 86353250, 138165200, 172706500, 276330400, 345413000, 690826000, 1381652000]

約数ペア:

[(1, 1381652000), (2, 690826000), (4, 345413000), (5, 276330400), (8, 172706500), (10, 138165200), (16, 86353250), (20, 69082600), (25, 55266080), (32, 43176625), (40, 34541300), (50, 27633040), (80, 17270650), (100, 13816520), (125, 11053216), (160, 8635325), (200, 6908260), (250, 5526608), (400, 3454130), (500, 2763304), (800, 1727065), (1000, 1381652), (2000, 690826), (4000, 345413)]