421559820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{212909}}^1$

素因数の和:212935

約数の個数: 72

約数和(自身を含む): 1394986320

約数和(自身を除く): 973426500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 212909, 425818, 638727, 851636, 1064545, 1277454, 1916181, 2129090, 2341999, 2554908, 3193635, 3832362, 4258180, 4683998, 6387270, 7025997, 7664724, 9367996, 9580905, 11709995, 12774540, 14051994, 19161810, 21077991, 23419990, 28103988, 35129985, 38323620, 42155982, 46839980, 70259970, 84311964, 105389955, 140519940, 210779910, 421559820]

約数ペア:

[(1, 421559820), (2, 210779910), (3, 140519940), (4, 105389955), (5, 84311964), (6, 70259970), (9, 46839980), (10, 42155982), (11, 38323620), (12, 35129985), (15, 28103988), (18, 23419990), (20, 21077991), (22, 19161810), (30, 14051994), (33, 12774540), (36, 11709995), (44, 9580905), (45, 9367996), (55, 7664724), (60, 7025997), (66, 6387270), (90, 4683998), (99, 4258180), (110, 3832362), (132, 3193635), (165, 2554908), (180, 2341999), (198, 2129090), (220, 1916181), (330, 1277454), (396, 1064545), (495, 851636), (660, 638727), (990, 425818), (1980, 212909)]