53958940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1997}}^1$

素因数の和:2206

約数の個数: 48

約数和(自身を含む): 130237632

約数和(自身を除く): 76278692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 1997, 2702, 3860, 3994, 5404, 6755, 7988, 9985, 13510, 13979, 19970, 27020, 27958, 39940, 55916, 69895, 139790, 279580, 385421, 770842, 1541684, 1927105, 2697947, 3854210, 5395894, 7708420, 10791788, 13489735, 26979470, 53958940]

約数ペア:

[(1, 53958940), (2, 26979470), (4, 13489735), (5, 10791788), (7, 7708420), (10, 5395894), (14, 3854210), (20, 2697947), (28, 1927105), (35, 1541684), (70, 770842), (140, 385421), (193, 279580), (386, 139790), (772, 69895), (965, 55916), (1351, 39940), (1930, 27958), (1997, 27020), (2702, 19970), (3860, 13979), (3994, 13510), (5404, 9985), (6755, 7988)]