20854967700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{26203}}^1$

素因数の和:26606

約数の個数: 144

約数和(自身を含む): 69145018880

約数和(自身を除く): 48290051180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 379, 420, 525, 700, 758, 1050, 1137, 1516, 1895, 2100, 2274, 2653, 3790, 4548, 5306, 5685, 7580, 7959, 9475, 10612, 11370, 13265, 15918, 18950, 22740, 26203, 26530, 28425, 31836, 37900, 39795, 52406, 53060, 56850, 66325, 78609, 79590, 104812, 113700, 131015, 132650, 157218, 159180, 183421, 198975, 262030, 265300, 314436, 366842, 393045, 397950, 524060, 550263, 655075, 733684, 786090, 795900, 917105, 1100526, 1310150, 1572180, 1834210, 1965225, 2201052, 2620300, 2751315, 3668420, 3930450, 4585525, 5502630, 7860900, 9171050, 9930937, 11005260, 13756575, 18342100, 19861874, 27513150, 29792811, 39723748, 49654685, 55026300, 59585622, 69516559, 99309370, 119171244, 139033118, 148964055, 198618740, 208549677, 248273425, 278066236, 297928110, 347582795, 417099354, 496546850, 595856220, 695165590, 744820275, 834198708, 993093700, 1042748385, 1390331180, 1489640550, 1737913975, 2085496770, 2979281100, 3475827950, 4170993540, 5213741925, 6951655900, 10427483850, 20854967700]

約数ペア:

[(1, 20854967700), (2, 10427483850), (3, 6951655900), (4, 5213741925), (5, 4170993540), (6, 3475827950), (7, 2979281100), (10, 2085496770), (12, 1737913975), (14, 1489640550), (15, 1390331180), (20, 1042748385), (21, 993093700), (25, 834198708), (28, 744820275), (30, 695165590), (35, 595856220), (42, 496546850), (50, 417099354), (60, 347582795), (70, 297928110), (75, 278066236), (84, 248273425), (100, 208549677), (105, 198618740), (140, 148964055), (150, 139033118), (175, 119171244), (210, 99309370), (300, 69516559), (350, 59585622), (379, 55026300), (420, 49654685), (525, 39723748), (700, 29792811), (758, 27513150), (1050, 19861874), (1137, 18342100), (1516, 13756575), (1895, 11005260), (2100, 9930937), (2274, 9171050), (2653, 7860900), (3790, 5502630), (4548, 4585525), (5306, 3930450), (5685, 3668420), (7580, 2751315), (7959, 2620300), (9475, 2201052), (10612, 1965225), (11370, 1834210), (13265, 1572180), (15918, 1310150), (18950, 1100526), (22740, 917105), (26203, 795900), (26530, 786090), (28425, 733684), (31836, 655075), (37900, 550263), (39795, 524060), (52406, 397950), (53060, 393045), (56850, 366842), (66325, 314436), (78609, 265300), (79590, 262030), (104812, 198975), (113700, 183421), (131015, 159180), (132650, 157218)]