79997820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190471}}^1$

素因数の和:190490

約数の個数: 48

約数和(自身を含む): 255994368

約数和(自身を除く): 175996548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 190471, 380942, 571413, 761884, 952355, 1142826, 1333297, 1904710, 2285652, 2666594, 2857065, 3809420, 3999891, 5333188, 5714130, 6666485, 7999782, 11428260, 13332970, 15999564, 19999455, 26665940, 39998910, 79997820]

約数ペア:

[(1, 79997820), (2, 39998910), (3, 26665940), (4, 19999455), (5, 15999564), (6, 13332970), (7, 11428260), (10, 7999782), (12, 6666485), (14, 5714130), (15, 5333188), (20, 3999891), (21, 3809420), (28, 2857065), (30, 2666594), (35, 2285652), (42, 1904710), (60, 1333297), (70, 1142826), (84, 952355), (105, 761884), (140, 571413), (210, 380942), (420, 190471)]