247756880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1949}}^1$

素因数の和:2196

約数の個数: 80

約数和(自身を含む): 661564800

約数和(自身を除く): 413807920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 908, 1135, 1589, 1816, 1949, 2270, 3178, 3632, 3898, 4540, 6356, 7796, 7945, 9080, 9745, 12712, 13643, 15592, 15890, 18160, 19490, 25424, 27286, 31184, 31780, 38980, 54572, 63560, 68215, 77960, 109144, 127120, 136430, 155920, 218288, 272860, 442423, 545720, 884846, 1091440, 1769692, 2212115, 3096961, 3539384, 4424230, 6193922, 7078768, 8848460, 12387844, 15484805, 17696920, 24775688, 30969610, 35393840, 49551376, 61939220, 123878440, 247756880]

約数ペア:

[(1, 247756880), (2, 123878440), (4, 61939220), (5, 49551376), (7, 35393840), (8, 30969610), (10, 24775688), (14, 17696920), (16, 15484805), (20, 12387844), (28, 8848460), (35, 7078768), (40, 6193922), (56, 4424230), (70, 3539384), (80, 3096961), (112, 2212115), (140, 1769692), (227, 1091440), (280, 884846), (454, 545720), (560, 442423), (908, 272860), (1135, 218288), (1589, 155920), (1816, 136430), (1949, 127120), (2270, 109144), (3178, 77960), (3632, 68215), (3898, 63560), (4540, 54572), (6356, 38980), (7796, 31780), (7945, 31184), (9080, 27286), (9745, 25424), (12712, 19490), (13643, 18160), (15592, 15890)]