2149778820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{12893}}^1$

素因数の和:13309

約数の個数: 96

約数和(自身を含む): 6897155328

約数和(自身を除く): 4747376508

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, 1588, 1985, 2382, 2779, 3970, 4764, 5558, 5955, 7940, 8337, 11116, 11910, 12893, 13895, 16674, 23820, 25786, 27790, 33348, 38679, 41685, 51572, 55580, 64465, 77358, 83370, 90251, 128930, 154716, 166740, 180502, 193395, 257860, 270753, 361004, 386790, 451255, 541506, 773580, 902510, 1083012, 1353765, 1805020, 2707530, 5118521, 5415060, 10237042, 15355563, 20474084, 25592605, 30711126, 35829647, 51185210, 61422252, 71659294, 76777815, 102370420, 107488941, 143318588, 153555630, 179148235, 214977882, 307111260, 358296470, 429955764, 537444705, 716592940, 1074889410, 2149778820]

約数ペア:

[(1, 2149778820), (2, 1074889410), (3, 716592940), (4, 537444705), (5, 429955764), (6, 358296470), (7, 307111260), (10, 214977882), (12, 179148235), (14, 153555630), (15, 143318588), (20, 107488941), (21, 102370420), (28, 76777815), (30, 71659294), (35, 61422252), (42, 51185210), (60, 35829647), (70, 30711126), (84, 25592605), (105, 20474084), (140, 15355563), (210, 10237042), (397, 5415060), (420, 5118521), (794, 2707530), (1191, 1805020), (1588, 1353765), (1985, 1083012), (2382, 902510), (2779, 773580), (3970, 541506), (4764, 451255), (5558, 386790), (5955, 361004), (7940, 270753), (8337, 257860), (11116, 193395), (11910, 180502), (12893, 166740), (13895, 154716), (16674, 128930), (23820, 90251), (25786, 83370), (27790, 77358), (33348, 64465), (38679, 55580), (41685, 51572)]