238156640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78341}}^1$

素因数の和:78375

約数の個数: 48

約数和(自身を含む): 592265520

約数和(自身を除く): 354108880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 78341, 156682, 313364, 391705, 626728, 783410, 1253456, 1488479, 1566820, 2506912, 2976958, 3133640, 5953916, 6267280, 7442395, 11907832, 12534560, 14884790, 23815664, 29769580, 47631328, 59539160, 119078320, 238156640]

約数ペア:

[(1, 238156640), (2, 119078320), (4, 59539160), (5, 47631328), (8, 29769580), (10, 23815664), (16, 14884790), (19, 12534560), (20, 11907832), (32, 7442395), (38, 6267280), (40, 5953916), (76, 3133640), (80, 2976958), (95, 2506912), (152, 1566820), (160, 1488479), (190, 1253456), (304, 783410), (380, 626728), (608, 391705), (760, 313364), (1520, 156682), (3040, 78341)]