156640852220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1\times {\mathrm{204979}}^1$

素因数の和:207018

約数の個数: 48

約数和(自身を含む): 346432598400

約数和(自身を除く): 189791746180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2011, 4022, 8044, 10055, 20110, 38209, 40220, 76418, 152836, 191045, 204979, 382090, 409958, 764180, 819916, 1024895, 2049790, 3894601, 4099580, 7789202, 15578404, 19473005, 38946010, 77892020, 412212769, 824425538, 1648851076, 2061063845, 4122127690, 7832042611, 8244255380, 15664085222, 31328170444, 39160213055, 78320426110, 156640852220]

約数ペア:

[(1, 156640852220), (2, 78320426110), (4, 39160213055), (5, 31328170444), (10, 15664085222), (19, 8244255380), (20, 7832042611), (38, 4122127690), (76, 2061063845), (95, 1648851076), (190, 824425538), (380, 412212769), (2011, 77892020), (4022, 38946010), (8044, 19473005), (10055, 15578404), (20110, 7789202), (38209, 4099580), (40220, 3894601), (76418, 2049790), (152836, 1024895), (191045, 819916), (204979, 764180), (382090, 409958)]