28242550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 65710080

約数和(自身を除く): 37467530

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 31, 35, 38, 50, 62, 70, 95, 133, 137, 155, 175, 190, 217, 266, 274, 310, 350, 434, 475, 589, 665, 685, 775, 950, 959, 1085, 1178, 1330, 1370, 1550, 1918, 2170, 2603, 2945, 3325, 3425, 4123, 4247, 4795, 5206, 5425, 5890, 6650, 6850, 8246, 8494, 9590, 10850, 13015, 14725, 18221, 20615, 21235, 23975, 26030, 29450, 29729, 36442, 41230, 42470, 47950, 59458, 65075, 80693, 91105, 103075, 106175, 130150, 148645, 161386, 182210, 206150, 212350, 297290, 403465, 455525, 564851, 743225, 806930, 911050, 1129702, 1486450, 2017325, 2824255, 4034650, 5648510, 14121275, 28242550]

約数ペア:

[(1, 28242550), (2, 14121275), (5, 5648510), (7, 4034650), (10, 2824255), (14, 2017325), (19, 1486450), (25, 1129702), (31, 911050), (35, 806930), (38, 743225), (50, 564851), (62, 455525), (70, 403465), (95, 297290), (133, 212350), (137, 206150), (155, 182210), (175, 161386), (190, 148645), (217, 130150), (266, 106175), (274, 103075), (310, 91105), (350, 80693), (434, 65075), (475, 59458), (589, 47950), (665, 42470), (685, 41230), (775, 36442), (950, 29729), (959, 29450), (1085, 26030), (1178, 23975), (1330, 21235), (1370, 20615), (1550, 18221), (1918, 14725), (2170, 13015), (2603, 10850), (2945, 9590), (3325, 8494), (3425, 8246), (4123, 6850), (4247, 6650), (4795, 5890), (5206, 5425)]