2787672020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1047997}}^1$

素因数の和:1048032

約数の個数: 48

約数和(自身を含む): 7042546560

約数和(自身を除く): 4254874540

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 1047997, 2095994, 4191988, 5239985, 7335979, 10479970, 14671958, 19911943, 20959940, 29343916, 36679895, 39823886, 73359790, 79647772, 99559715, 139383601, 146719580, 199119430, 278767202, 398238860, 557534404, 696918005, 1393836010, 2787672020]

約数ペア:

[(1, 2787672020), (2, 1393836010), (4, 696918005), (5, 557534404), (7, 398238860), (10, 278767202), (14, 199119430), (19, 146719580), (20, 139383601), (28, 99559715), (35, 79647772), (38, 73359790), (70, 39823886), (76, 36679895), (95, 29343916), (133, 20959940), (140, 19911943), (190, 14671958), (266, 10479970), (380, 7335979), (532, 5239985), (665, 4191988), (1330, 2095994), (2660, 1047997)]