205997960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{463}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 542712960

約数和(自身を除く): 336715000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 227, 245, 280, 392, 454, 463, 490, 908, 926, 980, 1135, 1589, 1816, 1852, 1960, 2270, 2315, 3178, 3241, 3704, 4540, 4630, 6356, 6482, 7945, 9080, 9260, 11123, 12712, 12964, 15890, 16205, 18520, 22246, 22687, 25928, 31780, 32410, 44492, 45374, 55615, 63560, 64820, 88984, 90748, 105101, 111230, 113435, 129640, 181496, 210202, 222460, 226870, 420404, 444920, 453740, 525505, 735707, 840808, 907480, 1051010, 1471414, 2102020, 2942828, 3678535, 4204040, 5149949, 5885656, 7357070, 10299898, 14714140, 20599796, 25749745, 29428280, 41199592, 51499490, 102998980, 205997960]

約数ペア:

[(1, 205997960), (2, 102998980), (4, 51499490), (5, 41199592), (7, 29428280), (8, 25749745), (10, 20599796), (14, 14714140), (20, 10299898), (28, 7357070), (35, 5885656), (40, 5149949), (49, 4204040), (56, 3678535), (70, 2942828), (98, 2102020), (140, 1471414), (196, 1051010), (227, 907480), (245, 840808), (280, 735707), (392, 525505), (454, 453740), (463, 444920), (490, 420404), (908, 226870), (926, 222460), (980, 210202), (1135, 181496), (1589, 129640), (1816, 113435), (1852, 111230), (1960, 105101), (2270, 90748), (2315, 88984), (3178, 64820), (3241, 63560), (3704, 55615), (4540, 45374), (4630, 44492), (6356, 32410), (6482, 31780), (7945, 25928), (9080, 22687), (9260, 22246), (11123, 18520), (12712, 16205), (12964, 15890)]