28513100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2$

素因数の和:85

約数の個数: 162

約数和(自身を含む): 82080684

約数和(自身を除く): 53567584

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 35, 44, 46, 49, 50, 55, 70, 77, 92, 98, 100, 110, 115, 140, 154, 161, 175, 196, 220, 230, 245, 253, 275, 308, 322, 350, 385, 460, 490, 506, 529, 539, 550, 575, 644, 700, 770, 805, 980, 1012, 1058, 1078, 1100, 1127, 1150, 1225, 1265, 1540, 1610, 1771, 1925, 2116, 2156, 2254, 2300, 2450, 2530, 2645, 2695, 3220, 3542, 3703, 3850, 4025, 4508, 4900, 5060, 5290, 5390, 5635, 5819, 6325, 7084, 7406, 7700, 8050, 8855, 10580, 10780, 11270, 11638, 12397, 12650, 13225, 13475, 14812, 16100, 17710, 18515, 22540, 23276, 24794, 25300, 25921, 26450, 26950, 28175, 29095, 35420, 37030, 40733, 44275, 49588, 51842, 52900, 53900, 56350, 58190, 61985, 74060, 81466, 88550, 92575, 103684, 112700, 116380, 123970, 129605, 145475, 162932, 177100, 185150, 203665, 247940, 259210, 285131, 290950, 309925, 370300, 407330, 518420, 570262, 581900, 619850, 648025, 814660, 1018325, 1140524, 1239700, 1296050, 1425655, 2036650, 2592100, 2851310, 4073300, 5702620, 7128275, 14256550, 28513100]

約数ペア:

[(1, 28513100), (2, 14256550), (4, 7128275), (5, 5702620), (7, 4073300), (10, 2851310), (11, 2592100), (14, 2036650), (20, 1425655), (22, 1296050), (23, 1239700), (25, 1140524), (28, 1018325), (35, 814660), (44, 648025), (46, 619850), (49, 581900), (50, 570262), (55, 518420), (70, 407330), (77, 370300), (92, 309925), (98, 290950), (100, 285131), (110, 259210), (115, 247940), (140, 203665), (154, 185150), (161, 177100), (175, 162932), (196, 145475), (220, 129605), (230, 123970), (245, 116380), (253, 112700), (275, 103684), (308, 92575), (322, 88550), (350, 81466), (385, 74060), (460, 61985), (490, 58190), (506, 56350), (529, 53900), (539, 52900), (550, 51842), (575, 49588), (644, 44275), (700, 40733), (770, 37030), (805, 35420), (980, 29095), (1012, 28175), (1058, 26950), (1078, 26450), (1100, 25921), (1127, 25300), (1150, 24794), (1225, 23276), (1265, 22540), (1540, 18515), (1610, 17710), (1771, 16100), (1925, 14812), (2116, 13475), (2156, 13225), (2254, 12650), (2300, 12397), (2450, 11638), (2530, 11270), (2645, 10780), (2695, 10580), (3220, 8855), (3542, 8050), (3703, 7700), (3850, 7406), (4025, 7084), (4508, 6325), (4900, 5819), (5060, 5635), (5290, 5390)]