17632660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 38278800

約数和(自身を除く): 20646140

約数列:

[1, 2, 4, 5, 10, 20, 61, 97, 122, 149, 194, 244, 298, 305, 388, 485, 596, 610, 745, 970, 1220, 1490, 1940, 2980, 5917, 9089, 11834, 14453, 18178, 23668, 28906, 29585, 36356, 45445, 57812, 59170, 72265, 90890, 118340, 144530, 181780, 289060, 881633, 1763266, 3526532, 4408165, 8816330, 17632660]

約数ペア:

[(1, 17632660), (2, 8816330), (4, 4408165), (5, 3526532), (10, 1763266), (20, 881633), (61, 289060), (97, 181780), (122, 144530), (149, 118340), (194, 90890), (244, 72265), (298, 59170), (305, 57812), (388, 45445), (485, 36356), (596, 29585), (610, 28906), (745, 23668), (970, 18178), (1220, 14453), (1490, 11834), (1940, 9089), (2980, 5917)]