149380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 395136

約数和(自身を除く): 245756

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 97, 110, 140, 154, 194, 220, 308, 385, 388, 485, 679, 770, 970, 1067, 1358, 1540, 1940, 2134, 2716, 3395, 4268, 5335, 6790, 7469, 10670, 13580, 14938, 21340, 29876, 37345, 74690, 149380]

約数ペア:

[(1, 149380), (2, 74690), (4, 37345), (5, 29876), (7, 21340), (10, 14938), (11, 13580), (14, 10670), (20, 7469), (22, 6790), (28, 5335), (35, 4268), (44, 3395), (55, 2716), (70, 2134), (77, 1940), (97, 1540), (110, 1358), (140, 1067), (154, 970), (194, 770), (220, 679), (308, 485), (385, 388)]