209925660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1259}}^1$

素因数の和:1675

約数の個数: 96

約数和(自身を含む): 673989120

約数和(自身を除く): 464063460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 397, 420, 794, 1191, 1259, 1588, 1985, 2382, 2518, 2779, 3777, 3970, 4764, 5036, 5558, 5955, 6295, 7554, 7940, 8337, 8813, 11116, 11910, 12590, 13895, 15108, 16674, 17626, 18885, 23820, 25180, 26439, 27790, 33348, 35252, 37770, 41685, 44065, 52878, 55580, 75540, 83370, 88130, 105756, 132195, 166740, 176260, 264390, 499823, 528780, 999646, 1499469, 1999292, 2499115, 2998938, 3498761, 4998230, 5997876, 6997522, 7497345, 9996460, 10496283, 13995044, 14994690, 17493805, 20992566, 29989380, 34987610, 41985132, 52481415, 69975220, 104962830, 209925660]

約数ペア:

[(1, 209925660), (2, 104962830), (3, 69975220), (4, 52481415), (5, 41985132), (6, 34987610), (7, 29989380), (10, 20992566), (12, 17493805), (14, 14994690), (15, 13995044), (20, 10496283), (21, 9996460), (28, 7497345), (30, 6997522), (35, 5997876), (42, 4998230), (60, 3498761), (70, 2998938), (84, 2499115), (105, 1999292), (140, 1499469), (210, 999646), (397, 528780), (420, 499823), (794, 264390), (1191, 176260), (1259, 166740), (1588, 132195), (1985, 105756), (2382, 88130), (2518, 83370), (2779, 75540), (3777, 55580), (3970, 52878), (4764, 44065), (5036, 41685), (5558, 37770), (5955, 35252), (6295, 33348), (7554, 27790), (7940, 26439), (8337, 25180), (8813, 23820), (11116, 18885), (11910, 17626), (12590, 16674), (13895, 15108)]