28589750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 96

約数和(自身を含む): 66920256

約数和(自身を除く): 38330506

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 31, 34, 35, 50, 62, 70, 85, 119, 125, 155, 170, 175, 217, 238, 250, 310, 350, 425, 434, 527, 595, 775, 850, 875, 961, 1054, 1085, 1190, 1550, 1750, 1922, 2125, 2170, 2635, 2975, 3689, 3875, 4250, 4805, 5270, 5425, 5950, 6727, 7378, 7750, 9610, 10850, 13175, 13454, 14875, 16337, 18445, 24025, 26350, 27125, 29750, 32674, 33635, 36890, 48050, 54250, 65875, 67270, 81685, 92225, 114359, 120125, 131750, 163370, 168175, 184450, 228718, 240250, 336350, 408425, 461125, 571795, 816850, 840875, 922250, 1143590, 1681750, 2042125, 2858975, 4084250, 5717950, 14294875, 28589750]

約数ペア:

[(1, 28589750), (2, 14294875), (5, 5717950), (7, 4084250), (10, 2858975), (14, 2042125), (17, 1681750), (25, 1143590), (31, 922250), (34, 840875), (35, 816850), (50, 571795), (62, 461125), (70, 408425), (85, 336350), (119, 240250), (125, 228718), (155, 184450), (170, 168175), (175, 163370), (217, 131750), (238, 120125), (250, 114359), (310, 92225), (350, 81685), (425, 67270), (434, 65875), (527, 54250), (595, 48050), (775, 36890), (850, 33635), (875, 32674), (961, 29750), (1054, 27125), (1085, 26350), (1190, 24025), (1550, 18445), (1750, 16337), (1922, 14875), (2125, 13454), (2170, 13175), (2635, 10850), (2975, 9610), (3689, 7750), (3875, 7378), (4250, 6727), (4805, 5950), (5270, 5425)]