309970864

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{20809}}^1$

素因数の和:20850

約数の個数: 60

約数和(自身を含む): 735425400

約数和(自身を除く): 425454536

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 392, 532, 784, 931, 1064, 1862, 2128, 3724, 7448, 14896, 20809, 41618, 83236, 145663, 166472, 291326, 332944, 395371, 582652, 790742, 1019641, 1165304, 1581484, 2039282, 2330608, 2767597, 3162968, 4078564, 5535194, 6325936, 8157128, 11070388, 16314256, 19373179, 22140776, 38746358, 44281552, 77492716, 154985432, 309970864]

約数ペア:

[(1, 309970864), (2, 154985432), (4, 77492716), (7, 44281552), (8, 38746358), (14, 22140776), (16, 19373179), (19, 16314256), (28, 11070388), (38, 8157128), (49, 6325936), (56, 5535194), (76, 4078564), (98, 3162968), (112, 2767597), (133, 2330608), (152, 2039282), (196, 1581484), (266, 1165304), (304, 1019641), (392, 790742), (532, 582652), (784, 395371), (931, 332944), (1064, 291326), (1862, 166472), (2128, 145663), (3724, 83236), (7448, 41618), (14896, 20809)]