56508900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:474

約数の個数: 144

約数和(自身を含む): 189987840

約数和(自身を除く): 133478940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 84, 100, 105, 140, 142, 150, 175, 210, 213, 284, 300, 350, 355, 379, 420, 426, 497, 525, 700, 710, 758, 852, 994, 1050, 1065, 1137, 1420, 1491, 1516, 1775, 1895, 1988, 2100, 2130, 2274, 2485, 2653, 2982, 3550, 3790, 4260, 4548, 4970, 5306, 5325, 5685, 5964, 7100, 7455, 7580, 7959, 9475, 9940, 10612, 10650, 11370, 12425, 13265, 14910, 15918, 18950, 21300, 22740, 24850, 26530, 26909, 28425, 29820, 31836, 37275, 37900, 39795, 49700, 53060, 53818, 56850, 66325, 74550, 79590, 80727, 107636, 113700, 132650, 134545, 149100, 159180, 161454, 188363, 198975, 265300, 269090, 322908, 376726, 397950, 403635, 538180, 565089, 672725, 753452, 795900, 807270, 941815, 1130178, 1345450, 1614540, 1883630, 2018175, 2260356, 2690900, 2825445, 3767260, 4036350, 4709075, 5650890, 8072700, 9418150, 11301780, 14127225, 18836300, 28254450, 56508900]

約数ペア:

[(1, 56508900), (2, 28254450), (3, 18836300), (4, 14127225), (5, 11301780), (6, 9418150), (7, 8072700), (10, 5650890), (12, 4709075), (14, 4036350), (15, 3767260), (20, 2825445), (21, 2690900), (25, 2260356), (28, 2018175), (30, 1883630), (35, 1614540), (42, 1345450), (50, 1130178), (60, 941815), (70, 807270), (71, 795900), (75, 753452), (84, 672725), (100, 565089), (105, 538180), (140, 403635), (142, 397950), (150, 376726), (175, 322908), (210, 269090), (213, 265300), (284, 198975), (300, 188363), (350, 161454), (355, 159180), (379, 149100), (420, 134545), (426, 132650), (497, 113700), (525, 107636), (700, 80727), (710, 79590), (758, 74550), (852, 66325), (994, 56850), (1050, 53818), (1065, 53060), (1137, 49700), (1420, 39795), (1491, 37900), (1516, 37275), (1775, 31836), (1895, 29820), (1988, 28425), (2100, 26909), (2130, 26530), (2274, 24850), (2485, 22740), (2653, 21300), (2982, 18950), (3550, 15918), (3790, 14910), (4260, 13265), (4548, 12425), (4970, 11370), (5306, 10650), (5325, 10612), (5685, 9940), (5964, 9475), (7100, 7959), (7455, 7580)]