201910900

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{19603}}^1$

素因数の和:19720

約数の個数: 36

約数和(自身を含む): 442423072

約数和(自身を除く): 240512172

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 2060, 2575, 5150, 10300, 19603, 39206, 78412, 98015, 196030, 392060, 490075, 980150, 1960300, 2019109, 4038218, 8076436, 10095545, 20191090, 40382180, 50477725, 100955450, 201910900]

約数ペア:

[(1, 201910900), (2, 100955450), (4, 50477725), (5, 40382180), (10, 20191090), (20, 10095545), (25, 8076436), (50, 4038218), (100, 2019109), (103, 1960300), (206, 980150), (412, 490075), (515, 392060), (1030, 196030), (2060, 98015), (2575, 78412), (5150, 39206), (10300, 19603)]