28191900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8543}}^1$

素因数の和:8571

約数の個数: 72

約数和(自身を含む): 88994304

約数和(自身を除く): 60802404

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 100, 110, 132, 150, 165, 220, 275, 300, 330, 550, 660, 825, 1100, 1650, 3300, 8543, 17086, 25629, 34172, 42715, 51258, 85430, 93973, 102516, 128145, 170860, 187946, 213575, 256290, 281919, 375892, 427150, 469865, 512580, 563838, 640725, 854300, 939730, 1127676, 1281450, 1409595, 1879460, 2349325, 2562900, 2819190, 4698650, 5638380, 7047975, 9397300, 14095950, 28191900]

約数ペア:

[(1, 28191900), (2, 14095950), (3, 9397300), (4, 7047975), (5, 5638380), (6, 4698650), (10, 2819190), (11, 2562900), (12, 2349325), (15, 1879460), (20, 1409595), (22, 1281450), (25, 1127676), (30, 939730), (33, 854300), (44, 640725), (50, 563838), (55, 512580), (60, 469865), (66, 427150), (75, 375892), (100, 281919), (110, 256290), (132, 213575), (150, 187946), (165, 170860), (220, 128145), (275, 102516), (300, 93973), (330, 85430), (550, 51258), (660, 42715), (825, 34172), (1100, 25629), (1650, 17086), (3300, 8543)]