53557580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1453}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 119693280

約数和(自身を除く): 66135700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 380, 388, 485, 970, 1453, 1843, 1940, 2906, 3686, 5812, 7265, 7372, 9215, 14530, 18430, 27607, 29060, 36860, 55214, 110428, 138035, 140941, 276070, 281882, 552140, 563764, 704705, 1409410, 2677879, 2818820, 5355758, 10711516, 13389395, 26778790, 53557580]

約数ペア:

[(1, 53557580), (2, 26778790), (4, 13389395), (5, 10711516), (10, 5355758), (19, 2818820), (20, 2677879), (38, 1409410), (76, 704705), (95, 563764), (97, 552140), (190, 281882), (194, 276070), (380, 140941), (388, 138035), (485, 110428), (970, 55214), (1453, 36860), (1843, 29060), (1940, 27607), (2906, 18430), (3686, 14530), (5812, 9215), (7265, 7372)]