531896260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199961}}^1$

素因数の和:199996

約数の個数: 48

約数和(自身を含む): 1343744640

約数和(自身を除く): 811848380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 199961, 399922, 799844, 999805, 1399727, 1999610, 2799454, 3799259, 3999220, 5598908, 6998635, 7598518, 13997270, 15197036, 18996295, 26594813, 27994540, 37992590, 53189626, 75985180, 106379252, 132974065, 265948130, 531896260]

約数ペア:

[(1, 531896260), (2, 265948130), (4, 132974065), (5, 106379252), (7, 75985180), (10, 53189626), (14, 37992590), (19, 27994540), (20, 26594813), (28, 18996295), (35, 15197036), (38, 13997270), (70, 7598518), (76, 6998635), (95, 5598908), (133, 3999220), (140, 3799259), (190, 2799454), (266, 1999610), (380, 1399727), (532, 999805), (665, 799844), (1330, 399922), (2660, 199961)]