200990020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{130513}}^1$

素因数の和:130540

約数の個数: 48

約数和(自身を含む): 526232448

約数和(自身を除く): 325242428

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 130513, 261026, 522052, 652565, 913591, 1305130, 1435643, 1827182, 2610260, 2871286, 3654364, 4567955, 5742572, 7178215, 9135910, 10049501, 14356430, 18271820, 20099002, 28712860, 40198004, 50247505, 100495010, 200990020]

約数ペア:

[(1, 200990020), (2, 100495010), (4, 50247505), (5, 40198004), (7, 28712860), (10, 20099002), (11, 18271820), (14, 14356430), (20, 10049501), (22, 9135910), (28, 7178215), (35, 5742572), (44, 4567955), (55, 3654364), (70, 2871286), (77, 2610260), (110, 1827182), (140, 1435643), (154, 1305130), (220, 913591), (308, 652565), (385, 522052), (770, 261026), (1540, 130513)]