1878132020

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1\times {\mathrm{1873}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 3982309968

約数和(自身を除く): 2104177948

約数列:

[1, 2, 4, 5, 10, 20, 181, 277, 362, 554, 724, 905, 1108, 1385, 1810, 1873, 2770, 3620, 3746, 5540, 7492, 9365, 18730, 37460, 50137, 100274, 200548, 250685, 339013, 501370, 518821, 678026, 1002740, 1037642, 1356052, 1695065, 2075284, 2594105, 3390130, 5188210, 6780260, 10376420, 93906601, 187813202, 375626404, 469533005, 939066010, 1878132020]

約数ペア:

[(1, 1878132020), (2, 939066010), (4, 469533005), (5, 375626404), (10, 187813202), (20, 93906601), (181, 10376420), (277, 6780260), (362, 5188210), (554, 3390130), (724, 2594105), (905, 2075284), (1108, 1695065), (1385, 1356052), (1810, 1037642), (1873, 1002740), (2770, 678026), (3620, 518821), (3746, 501370), (5540, 339013), (7492, 250685), (9365, 200548), (18730, 100274), (37460, 50137)]