28243500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 96

約数和(自身を含む): 86661120

約数和(自身を除く): 58417620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 125, 150, 190, 228, 250, 285, 300, 375, 380, 475, 500, 570, 750, 950, 991, 1140, 1425, 1500, 1900, 1982, 2375, 2850, 2973, 3964, 4750, 4955, 5700, 5946, 7125, 9500, 9910, 11892, 14250, 14865, 18829, 19820, 24775, 28500, 29730, 37658, 49550, 56487, 59460, 74325, 75316, 94145, 99100, 112974, 123875, 148650, 188290, 225948, 247750, 282435, 297300, 371625, 376580, 470725, 495500, 564870, 743250, 941450, 1129740, 1412175, 1486500, 1882900, 2353625, 2824350, 4707250, 5648700, 7060875, 9414500, 14121750, 28243500]

約数ペア:

[(1, 28243500), (2, 14121750), (3, 9414500), (4, 7060875), (5, 5648700), (6, 4707250), (10, 2824350), (12, 2353625), (15, 1882900), (19, 1486500), (20, 1412175), (25, 1129740), (30, 941450), (38, 743250), (50, 564870), (57, 495500), (60, 470725), (75, 376580), (76, 371625), (95, 297300), (100, 282435), (114, 247750), (125, 225948), (150, 188290), (190, 148650), (228, 123875), (250, 112974), (285, 99100), (300, 94145), (375, 75316), (380, 74325), (475, 59460), (500, 56487), (570, 49550), (750, 37658), (950, 29730), (991, 28500), (1140, 24775), (1425, 19820), (1500, 18829), (1900, 14865), (1982, 14250), (2375, 11892), (2850, 9910), (2973, 9500), (3964, 7125), (4750, 5946), (4955, 5700)]