209344240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 576257760

約数和(自身を除く): 366913520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 389, 434, 496, 560, 620, 778, 868, 961, 1085, 1240, 1556, 1736, 1922, 1945, 2170, 2480, 2723, 3112, 3472, 3844, 3890, 4340, 4805, 5446, 6224, 6727, 7688, 7780, 8680, 9610, 10892, 12059, 13454, 13615, 15376, 15560, 17360, 19220, 21784, 24118, 26908, 27230, 31120, 33635, 38440, 43568, 48236, 53816, 54460, 60295, 67270, 76880, 84413, 96472, 107632, 108920, 120590, 134540, 168826, 192944, 217840, 241180, 269080, 337652, 373829, 422065, 482360, 538160, 675304, 747658, 844130, 964720, 1350608, 1495316, 1688260, 1869145, 2616803, 2990632, 3376520, 3738290, 5233606, 5981264, 6753040, 7476580, 10467212, 13084015, 14953160, 20934424, 26168030, 29906320, 41868848, 52336060, 104672120, 209344240]

約数ペア:

[(1, 209344240), (2, 104672120), (4, 52336060), (5, 41868848), (7, 29906320), (8, 26168030), (10, 20934424), (14, 14953160), (16, 13084015), (20, 10467212), (28, 7476580), (31, 6753040), (35, 5981264), (40, 5233606), (56, 3738290), (62, 3376520), (70, 2990632), (80, 2616803), (112, 1869145), (124, 1688260), (140, 1495316), (155, 1350608), (217, 964720), (248, 844130), (280, 747658), (310, 675304), (389, 538160), (434, 482360), (496, 422065), (560, 373829), (620, 337652), (778, 269080), (868, 241180), (961, 217840), (1085, 192944), (1240, 168826), (1556, 134540), (1736, 120590), (1922, 108920), (1945, 107632), (2170, 96472), (2480, 84413), (2723, 76880), (3112, 67270), (3472, 60295), (3844, 54460), (3890, 53816), (4340, 48236), (4805, 43568), (5446, 38440), (6224, 33635), (6727, 31120), (7688, 27230), (7780, 26908), (8680, 24118), (9610, 21784), (10892, 19220), (12059, 17360), (13454, 15560), (13615, 15376)]