2174740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 4939200

約数和(自身を除く): 2764460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 97, 118, 190, 194, 236, 295, 380, 388, 485, 590, 970, 1121, 1180, 1843, 1940, 2242, 3686, 4484, 5605, 5723, 7372, 9215, 11210, 11446, 18430, 22420, 22892, 28615, 36860, 57230, 108737, 114460, 217474, 434948, 543685, 1087370, 2174740]

約数ペア:

[(1, 2174740), (2, 1087370), (4, 543685), (5, 434948), (10, 217474), (19, 114460), (20, 108737), (38, 57230), (59, 36860), (76, 28615), (95, 22892), (97, 22420), (118, 18430), (190, 11446), (194, 11210), (236, 9215), (295, 7372), (380, 5723), (388, 5605), (485, 4484), (590, 3686), (970, 2242), (1121, 1940), (1180, 1843)]