9998910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1322

約数の個数: 64

約数和(自身を含む): 27604800

約数和(自身を除く): 17605890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1277, 1305, 1566, 2554, 2610, 3831, 3915, 6385, 7662, 7830, 11493, 12770, 19155, 22986, 34479, 37033, 38310, 57465, 68958, 74066, 111099, 114930, 172395, 185165, 222198, 333297, 344790, 370330, 555495, 666594, 999891, 1110990, 1666485, 1999782, 3332970, 4999455, 9998910]

約数ペア:

[(1, 9998910), (2, 4999455), (3, 3332970), (5, 1999782), (6, 1666485), (9, 1110990), (10, 999891), (15, 666594), (18, 555495), (27, 370330), (29, 344790), (30, 333297), (45, 222198), (54, 185165), (58, 172395), (87, 114930), (90, 111099), (135, 74066), (145, 68958), (174, 57465), (261, 38310), (270, 37033), (290, 34479), (435, 22986), (522, 19155), (783, 12770), (870, 11493), (1277, 7830), (1305, 7662), (1566, 6385), (2554, 3915), (2610, 3831)]