89090100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8999}}^1$

素因数の和:9030

約数の個数: 108

約数和(自身を含む): 304668000

約数和(自身を除く): 215577900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2475, 3300, 4950, 8999, 9900, 17998, 26997, 35996, 44995, 53994, 80991, 89990, 98989, 107988, 134985, 161982, 179980, 197978, 224975, 269970, 296967, 323964, 395956, 404955, 449950, 494945, 539940, 593934, 674925, 809910, 890901, 899900, 989890, 1187868, 1349850, 1484835, 1619820, 1781802, 1979780, 2024775, 2474725, 2699700, 2969670, 3563604, 4049550, 4454505, 4949450, 5939340, 7424175, 8099100, 8909010, 9898900, 14848350, 17818020, 22272525, 29696700, 44545050, 89090100]

約数ペア:

[(1, 89090100), (2, 44545050), (3, 29696700), (4, 22272525), (5, 17818020), (6, 14848350), (9, 9898900), (10, 8909010), (11, 8099100), (12, 7424175), (15, 5939340), (18, 4949450), (20, 4454505), (22, 4049550), (25, 3563604), (30, 2969670), (33, 2699700), (36, 2474725), (44, 2024775), (45, 1979780), (50, 1781802), (55, 1619820), (60, 1484835), (66, 1349850), (75, 1187868), (90, 989890), (99, 899900), (100, 890901), (110, 809910), (132, 674925), (150, 593934), (165, 539940), (180, 494945), (198, 449950), (220, 404955), (225, 395956), (275, 323964), (300, 296967), (330, 269970), (396, 224975), (450, 197978), (495, 179980), (550, 161982), (660, 134985), (825, 107988), (900, 98989), (990, 89990), (1100, 80991), (1650, 53994), (1980, 44995), (2475, 35996), (3300, 26997), (4950, 17998), (8999, 9900)]