828380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 2041536

約数和(自身を除く): 1213156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 97, 122, 140, 194, 244, 305, 388, 427, 485, 610, 679, 854, 970, 1220, 1358, 1708, 1940, 2135, 2716, 3395, 4270, 5917, 6790, 8540, 11834, 13580, 23668, 29585, 41419, 59170, 82838, 118340, 165676, 207095, 414190, 828380]

約数ペア:

[(1, 828380), (2, 414190), (4, 207095), (5, 165676), (7, 118340), (10, 82838), (14, 59170), (20, 41419), (28, 29585), (35, 23668), (61, 13580), (70, 11834), (97, 8540), (122, 6790), (140, 5917), (194, 4270), (244, 3395), (305, 2716), (388, 2135), (427, 1940), (485, 1708), (610, 1358), (679, 1220), (854, 970)]