487993900

素因数分解:

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

素因数の和:80074

約数の個数: 36

約数和(自身を含む): 1076320000

約数和(自身を除く): 588326100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 79999, 159998, 319996, 399995, 799990, 1599980, 1999975, 3999950, 4879939, 7999900, 9759878, 19519756, 24399695, 48799390, 97598780, 121998475, 243996950, 487993900]

約数ペア:

[(1, 487993900), (2, 243996950), (4, 121998475), (5, 97598780), (10, 48799390), (20, 24399695), (25, 19519756), (50, 9759878), (61, 7999900), (100, 4879939), (122, 3999950), (244, 1999975), (305, 1599980), (610, 799990), (1220, 399995), (1525, 319996), (3050, 159998), (6100, 79999)]