42678650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 48

約数和(自身を含む): 92256000

約数和(自身を除く): 49577350

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 1525, 1999, 2135, 3050, 3998, 4270, 9995, 10675, 13993, 19990, 21350, 27986, 49975, 69965, 99950, 121939, 139930, 243878, 349825, 609695, 699650, 853573, 1219390, 1707146, 3048475, 4267865, 6096950, 8535730, 21339325, 42678650]

約数ペア:

[(1, 42678650), (2, 21339325), (5, 8535730), (7, 6096950), (10, 4267865), (14, 3048475), (25, 1707146), (35, 1219390), (50, 853573), (61, 699650), (70, 609695), (122, 349825), (175, 243878), (305, 139930), (350, 121939), (427, 99950), (610, 69965), (854, 49975), (1525, 27986), (1999, 21350), (2135, 19990), (3050, 13993), (3998, 10675), (4270, 9995)]