243996950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79999}}^1$

素因数の和:80072

約数の個数: 24

約数和(自身を含む): 461280000

約数和(自身を除く): 217283050

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 79999, 159998, 399995, 799990, 1999975, 3999950, 4879939, 9759878, 24399695, 48799390, 121998475, 243996950]

約数ペア:

[(1, 243996950), (2, 121998475), (5, 48799390), (10, 24399695), (25, 9759878), (50, 4879939), (61, 3999950), (122, 1999975), (305, 799990), (610, 399995), (1525, 159998), (3050, 79999)]