74322820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1999}}^1$

素因数の和:2045

約数の個数: 72

約数和(自身を含む): 184464000

約数和(自身を除く): 110141180

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 1999, 2860, 3380, 3718, 3998, 7436, 7996, 9295, 9995, 18590, 19990, 21989, 25987, 37180, 39980, 43978, 51974, 87956, 103948, 109945, 129935, 219890, 259870, 285857, 337831, 439780, 519740, 571714, 675662, 1143428, 1351324, 1429285, 1689155, 2858570, 3378310, 3716141, 5717140, 6756620, 7432282, 14864564, 18580705, 37161410, 74322820]

約数ペア:

[(1, 74322820), (2, 37161410), (4, 18580705), (5, 14864564), (10, 7432282), (11, 6756620), (13, 5717140), (20, 3716141), (22, 3378310), (26, 2858570), (44, 1689155), (52, 1429285), (55, 1351324), (65, 1143428), (110, 675662), (130, 571714), (143, 519740), (169, 439780), (220, 337831), (260, 285857), (286, 259870), (338, 219890), (572, 129935), (676, 109945), (715, 103948), (845, 87956), (1430, 51974), (1690, 43978), (1859, 39980), (1999, 37180), (2860, 25987), (3380, 21989), (3718, 19990), (3998, 18590), (7436, 9995), (7996, 9295)]