38198440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19489}}^1$

素因数の和:19514

約数の個数: 48

約数和(自身を含む): 99983700

約数和(自身を除く): 61785260

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 19489, 38978, 77956, 97445, 136423, 155912, 194890, 272846, 389780, 545692, 682115, 779560, 954961, 1091384, 1364230, 1909922, 2728460, 3819844, 4774805, 5456920, 7639688, 9549610, 19099220, 38198440]

約数ペア:

[(1, 38198440), (2, 19099220), (4, 9549610), (5, 7639688), (7, 5456920), (8, 4774805), (10, 3819844), (14, 2728460), (20, 1909922), (28, 1364230), (35, 1091384), (40, 954961), (49, 779560), (56, 682115), (70, 545692), (98, 389780), (140, 272846), (196, 194890), (245, 155912), (280, 136423), (392, 97445), (490, 77956), (980, 38978), (1960, 19489)]