1877960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 5097600

約数和(自身を除く): 3219640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 353, 380, 532, 665, 706, 760, 1064, 1330, 1412, 1765, 2471, 2660, 2824, 3530, 4942, 5320, 6707, 7060, 9884, 12355, 13414, 14120, 19768, 24710, 26828, 33535, 46949, 49420, 53656, 67070, 93898, 98840, 134140, 187796, 234745, 268280, 375592, 469490, 938980, 1877960]

約数ペア:

[(1, 1877960), (2, 938980), (4, 469490), (5, 375592), (7, 268280), (8, 234745), (10, 187796), (14, 134140), (19, 98840), (20, 93898), (28, 67070), (35, 53656), (38, 49420), (40, 46949), (56, 33535), (70, 26828), (76, 24710), (95, 19768), (133, 14120), (140, 13414), (152, 12355), (190, 9884), (266, 7060), (280, 6707), (353, 5320), (380, 4942), (532, 3530), (665, 2824), (706, 2660), (760, 2471), (1064, 1765), (1330, 1412)]