1900292020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{31183}}^1$

素因数の和:31480

約数の個数: 48

約数和(自身を含む): 4369252608

約数和(自身を除く): 2468960588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277, 554, 1108, 1385, 2770, 3047, 5540, 6094, 12188, 15235, 30470, 31183, 60940, 62366, 124732, 155915, 311830, 343013, 623660, 686026, 1372052, 1715065, 3430130, 6860260, 8637691, 17275382, 34550764, 43188455, 86376910, 95014601, 172753820, 190029202, 380058404, 475073005, 950146010, 1900292020]

約数ペア:

[(1, 1900292020), (2, 950146010), (4, 475073005), (5, 380058404), (10, 190029202), (11, 172753820), (20, 95014601), (22, 86376910), (44, 43188455), (55, 34550764), (110, 17275382), (220, 8637691), (277, 6860260), (554, 3430130), (1108, 1715065), (1385, 1372052), (2770, 686026), (3047, 623660), (5540, 343013), (6094, 311830), (12188, 155915), (15235, 124732), (30470, 62366), (31183, 60940)]