1880971540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{43201}}^1$

素因数の和:43528

約数の個数: 48

約数和(自身を含む): 4528952064

約数和(自身を除く): 2647980524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 311, 622, 1244, 1555, 2177, 3110, 4354, 6220, 8708, 10885, 21770, 43201, 43540, 86402, 172804, 216005, 302407, 432010, 604814, 864020, 1209628, 1512035, 3024070, 6048140, 13435511, 26871022, 53742044, 67177555, 94048577, 134355110, 188097154, 268710220, 376194308, 470242885, 940485770, 1880971540]

約数ペア:

[(1, 1880971540), (2, 940485770), (4, 470242885), (5, 376194308), (7, 268710220), (10, 188097154), (14, 134355110), (20, 94048577), (28, 67177555), (35, 53742044), (70, 26871022), (140, 13435511), (311, 6048140), (622, 3024070), (1244, 1512035), (1555, 1209628), (2177, 864020), (3110, 604814), (4354, 432010), (6220, 302407), (8708, 216005), (10885, 172804), (21770, 86402), (43201, 43540)]