87649240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 231588720

約数和(自身を除く): 143939480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 197, 227, 245, 280, 392, 394, 454, 490, 788, 908, 980, 985, 1135, 1379, 1576, 1589, 1816, 1960, 1970, 2270, 2758, 3178, 3940, 4540, 5516, 6356, 6895, 7880, 7945, 9080, 9653, 11032, 11123, 12712, 13790, 15890, 19306, 22246, 27580, 31780, 38612, 44492, 44719, 48265, 55160, 55615, 63560, 77224, 88984, 89438, 96530, 111230, 178876, 193060, 222460, 223595, 313033, 357752, 386120, 444920, 447190, 626066, 894380, 1252132, 1565165, 1788760, 2191231, 2504264, 3130330, 4382462, 6260660, 8764924, 10956155, 12521320, 17529848, 21912310, 43824620, 87649240]

約数ペア:

[(1, 87649240), (2, 43824620), (4, 21912310), (5, 17529848), (7, 12521320), (8, 10956155), (10, 8764924), (14, 6260660), (20, 4382462), (28, 3130330), (35, 2504264), (40, 2191231), (49, 1788760), (56, 1565165), (70, 1252132), (98, 894380), (140, 626066), (196, 447190), (197, 444920), (227, 386120), (245, 357752), (280, 313033), (392, 223595), (394, 222460), (454, 193060), (490, 178876), (788, 111230), (908, 96530), (980, 89438), (985, 88984), (1135, 77224), (1379, 63560), (1576, 55615), (1589, 55160), (1816, 48265), (1960, 44719), (1970, 44492), (2270, 38612), (2758, 31780), (3178, 27580), (3940, 22246), (4540, 19306), (5516, 15890), (6356, 13790), (6895, 12712), (7880, 11123), (7945, 11032), (9080, 9653)]