28728900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 108

約数和(自身を含む): 91095732

約数和(自身を除く): 62366832

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 137, 150, 180, 225, 233, 274, 300, 411, 450, 466, 548, 685, 699, 822, 900, 932, 1165, 1233, 1370, 1398, 1644, 2055, 2097, 2330, 2466, 2740, 2796, 3425, 3495, 4110, 4194, 4660, 4932, 5825, 6165, 6850, 6990, 8220, 8388, 10275, 10485, 11650, 12330, 13700, 13980, 17475, 20550, 20970, 23300, 24660, 30825, 31921, 34950, 41100, 41940, 52425, 61650, 63842, 69900, 95763, 104850, 123300, 127684, 159605, 191526, 209700, 287289, 319210, 383052, 478815, 574578, 638420, 798025, 957630, 1149156, 1436445, 1596050, 1915260, 2394075, 2872890, 3192100, 4788150, 5745780, 7182225, 9576300, 14364450, 28728900]

約数ペア:

[(1, 28728900), (2, 14364450), (3, 9576300), (4, 7182225), (5, 5745780), (6, 4788150), (9, 3192100), (10, 2872890), (12, 2394075), (15, 1915260), (18, 1596050), (20, 1436445), (25, 1149156), (30, 957630), (36, 798025), (45, 638420), (50, 574578), (60, 478815), (75, 383052), (90, 319210), (100, 287289), (137, 209700), (150, 191526), (180, 159605), (225, 127684), (233, 123300), (274, 104850), (300, 95763), (411, 69900), (450, 63842), (466, 61650), (548, 52425), (685, 41940), (699, 41100), (822, 34950), (900, 31921), (932, 30825), (1165, 24660), (1233, 23300), (1370, 20970), (1398, 20550), (1644, 17475), (2055, 13980), (2097, 13700), (2330, 12330), (2466, 11650), (2740, 10485), (2796, 10275), (3425, 8388), (3495, 8220), (4110, 6990), (4194, 6850), (4660, 6165), (4932, 5825)]