208984990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{757}}^1\times {\mathrm{1453}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 396767520

約数和(自身を除く): 187782530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 757, 1453, 1514, 2906, 3785, 7265, 7570, 14383, 14530, 27607, 28766, 55214, 71915, 138035, 143830, 276070, 1099921, 2199842, 5499605, 10999210, 20898499, 41796998, 104492495, 208984990]

約数ペア:

[(1, 208984990), (2, 104492495), (5, 41796998), (10, 20898499), (19, 10999210), (38, 5499605), (95, 2199842), (190, 1099921), (757, 276070), (1453, 143830), (1514, 138035), (2906, 71915), (3785, 55214), (7265, 28766), (7570, 27607), (14383, 14530)]