31338440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:355

約数の個数: 96

約数和(自身を含む): 83721600

約数和(自身を除く): 52383160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 59, 70, 98, 118, 140, 196, 236, 245, 271, 280, 295, 392, 413, 472, 490, 542, 590, 826, 980, 1084, 1180, 1355, 1652, 1897, 1960, 2065, 2168, 2360, 2710, 2891, 3304, 3794, 4130, 5420, 5782, 7588, 8260, 9485, 10840, 11564, 13279, 14455, 15176, 15989, 16520, 18970, 23128, 26558, 28910, 31978, 37940, 53116, 57820, 63956, 66395, 75880, 79945, 106232, 111923, 115640, 127912, 132790, 159890, 223846, 265580, 319780, 447692, 531160, 559615, 639560, 783461, 895384, 1119230, 1566922, 2238460, 3133844, 3917305, 4476920, 6267688, 7834610, 15669220, 31338440]

約数ペア:

[(1, 31338440), (2, 15669220), (4, 7834610), (5, 6267688), (7, 4476920), (8, 3917305), (10, 3133844), (14, 2238460), (20, 1566922), (28, 1119230), (35, 895384), (40, 783461), (49, 639560), (56, 559615), (59, 531160), (70, 447692), (98, 319780), (118, 265580), (140, 223846), (196, 159890), (236, 132790), (245, 127912), (271, 115640), (280, 111923), (295, 106232), (392, 79945), (413, 75880), (472, 66395), (490, 63956), (542, 57820), (590, 53116), (826, 37940), (980, 31978), (1084, 28910), (1180, 26558), (1355, 23128), (1652, 18970), (1897, 16520), (1960, 15989), (2065, 15176), (2168, 14455), (2360, 13279), (2710, 11564), (2891, 10840), (3304, 9485), (3794, 8260), (4130, 7588), (5420, 5782)]