39400300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 91400400

約数和(自身を除く): 52000100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 89, 95, 100, 178, 190, 233, 356, 380, 445, 466, 475, 890, 932, 950, 1165, 1691, 1780, 1900, 2225, 2330, 3382, 4427, 4450, 4660, 5825, 6764, 8455, 8854, 8900, 11650, 16910, 17708, 20737, 22135, 23300, 33820, 41474, 42275, 44270, 82948, 84550, 88540, 103685, 110675, 169100, 207370, 221350, 394003, 414740, 442700, 518425, 788006, 1036850, 1576012, 1970015, 2073700, 3940030, 7880060, 9850075, 19700150, 39400300]

約数ペア:

[(1, 39400300), (2, 19700150), (4, 9850075), (5, 7880060), (10, 3940030), (19, 2073700), (20, 1970015), (25, 1576012), (38, 1036850), (50, 788006), (76, 518425), (89, 442700), (95, 414740), (100, 394003), (178, 221350), (190, 207370), (233, 169100), (356, 110675), (380, 103685), (445, 88540), (466, 84550), (475, 82948), (890, 44270), (932, 42275), (950, 41474), (1165, 33820), (1691, 23300), (1780, 22135), (1900, 20737), (2225, 17708), (2330, 16910), (3382, 11650), (4427, 8900), (4450, 8854), (4660, 8455), (5825, 6764)]