28905800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1877}}^1$

素因数の和:1911

約数の個数: 96

約数和(自身を含む): 83833920

約数和(自身を除く): 54928120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 275, 280, 308, 350, 385, 440, 550, 616, 700, 770, 1100, 1400, 1540, 1877, 1925, 2200, 3080, 3754, 3850, 7508, 7700, 9385, 13139, 15016, 15400, 18770, 20647, 26278, 37540, 41294, 46925, 52556, 65695, 75080, 82588, 93850, 103235, 105112, 131390, 144529, 165176, 187700, 206470, 262780, 289058, 328475, 375400, 412940, 516175, 525560, 578116, 656950, 722645, 825880, 1032350, 1156232, 1313900, 1445290, 2064700, 2627800, 2890580, 3613225, 4129400, 5781160, 7226450, 14452900, 28905800]

約数ペア:

[(1, 28905800), (2, 14452900), (4, 7226450), (5, 5781160), (7, 4129400), (8, 3613225), (10, 2890580), (11, 2627800), (14, 2064700), (20, 1445290), (22, 1313900), (25, 1156232), (28, 1032350), (35, 825880), (40, 722645), (44, 656950), (50, 578116), (55, 525560), (56, 516175), (70, 412940), (77, 375400), (88, 328475), (100, 289058), (110, 262780), (140, 206470), (154, 187700), (175, 165176), (200, 144529), (220, 131390), (275, 105112), (280, 103235), (308, 93850), (350, 82588), (385, 75080), (440, 65695), (550, 52556), (616, 46925), (700, 41294), (770, 37540), (1100, 26278), (1400, 20647), (1540, 18770), (1877, 15400), (1925, 15016), (2200, 13139), (3080, 9385), (3754, 7700), (3850, 7508)]